GitHubCI: retire Ubuntu 20.04 in favour of 24.04

* Retire Ubuntu 20.04.
* Adopt Ubuntu 24.04.

Author: knocte

.github/workflows/CI.yml

@@ -214,8 +214,8 @@ jobs:
 
         find . -type f -name "*.fsx" | xargs -t -I {} dotnet fsxc {}
 
-  linux22-github--dotnet-and-mono:
-    runs-on: ubuntu-22.04
+  linux24-github--dotnet-and-mono:
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v1
       with:
@@ -239,8 +239,8 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux22-github--dotnet-and-newmono:
-    runs-on: ubuntu-22.04
+  linux24-github--dotnet-and-newmono:
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v1
       with:
@@ -266,10 +266,10 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux22-vanilla--stockmono-only:
-    runs-on: ubuntu-22.04
+  linux24-vanilla--stockmono-only:
+    runs-on: ubuntu-24.04
     container:
-      image: "ubuntu:22.04"
+      image: "ubuntu:24.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -302,10 +302,10 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux22-vanilla--stockdotnet6-only:
-    runs-on: ubuntu-22.04
+  linux24-vanilla--stockdotnet6-only:
+    runs-on: ubuntu-24.04
     container:
-      image: "ubuntu:22.04"
+      image: "ubuntu:24.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -344,10 +344,10 @@ jobs:
 
         find . -type f -name "*.fsx" | xargs -t -I {} dotnet fsxc {}
 
-  linux22-vanilla--stockdotnet6-and-newmono:
-    runs-on: ubuntu-22.04
+  linux24-vanilla--stockdotnet6-and-newmono:
+    runs-on: ubuntu-24.04
     container:
-      image: "ubuntu:22.04"
+      image: "ubuntu:24.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -361,7 +361,8 @@ jobs:
     - name: install last version of mono (Microsoft APT repositories)
       run: sudo ./scripts/install_mono_from_microsoft_deb_packages.sh
 
-    # workaround for https://github.com/actions/runner/issues/2033
+    # workaround for https://github.com/actions/runner/issues/
+2033
     - name: ownership workaround
       run: git config --global --add safe.directory '*'
 
@@ -388,10 +389,10 @@ jobs:
 
         find . -type f -name "*.fsx" | xargs -t -I {} dotnet fsxc {}
 
-  linux22-vanilla--stockdotnet6-and-stockmono:
-    runs-on: ubuntu-22.04
+  linux24-vanilla--stockdotnet6-and-stockmono:
+    runs-on: ubuntu-24.04
     container:
-      image: "ubuntu:22.04"
+      image: "ubuntu:24.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -430,10 +431,10 @@ jobs:
 
         find . -type f -name "*.fsx" | xargs -t -I {} dotnet fsxc {}
 
-  linux22-vanilla--newmono-only:
-    runs-on: ubuntu-22.04
+  linux24-vanilla--newmono-only:
+    runs-on: ubuntu-24.04
     container:
-      image: "ubuntu:22.04"
+      image: "ubuntu:24.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -469,8 +470,8 @@ jobs:
       run: make update-servers
 
 
-  linux20-github--dotnet-and-mono:
-    runs-on: ubuntu-20.04
+  linux22-github--dotnet-and-mono:
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v1
       with:
@@ -494,8 +495,9 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux20-github--dotnet-and-newmono:
-    runs-on: ubuntu-20.04
+  
+linux22-github--dotnet-and-newmono:
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v1
     - name: install missing dependencies
@@ -519,10 +521,10 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux20-vanilla--stockmono-only:
-    runs-on: ubuntu-20.04
+  linux22-vanilla--stockmono-only:
+    runs-on: ubuntu-22.04
     container:
-      image: "ubuntu:20.04"
+      image: "ubuntu:22.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -555,10 +557,10 @@ jobs:
     - name: integration tests
       run: make update-servers
 
-  linux20-vanilla--newmono-only:
-    runs-on: ubuntu-20.04
+  linux22-vanilla--newmono-only:
+    runs-on: ubuntu-22.04
     container:
-      image: "ubuntu:20.04"
+      image: "ubuntu:22.04"
     steps:
     - uses: actions/checkout@v1
     # can't use the option below because of error "Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git 2.18 or higher to the PATH."
@@ -598,17 +600,17 @@ jobs:
     container:
       image: "ubuntu:22.04"
     needs:
+    - linux24-github--dotnet-and-mono
+    - linux24-github--dotnet-and-newmono
+    - linux24-vanilla--stockmono-only
+    - linux24-vanilla--newmono-only
+    - linux24-vanilla--stockdotnet6-only
+    - linux24-vanilla--stockdotnet6-and-stockmono
+    - linux24-vanilla--stockdotnet6-and-newmono
     - linux22-github--dotnet-and-mono
     - linux22-github--dotnet-and-newmono
     - linux22-vanilla--stockmono-only
     - linux22-vanilla--newmono-only
-    - linux22-vanilla--stockdotnet6-only
-    - linux22-vanilla--stockdotnet6-and-stockmono
-    - linux22-vanilla--stockdotnet6-and-newmono
-    - linux20-github--dotnet-and-mono
-    - linux20-github--dotnet-and-newmono
-    - linux20-vanilla--stockmono-only
-    - linux20-vanilla--newmono-only
     - windows--dotnet6-and-legacyFramework
     - windows--legacyFramework-only
     - windows--dotnet6-only