Switch to slim runners (#144)

Author: paddyroddy

.github/workflows/add-to-project.yaml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   add-issue-to-project:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       # yamllint disable-line rule:line-length
       - uses: paddyroddy/.github/actions/add-to-project@fc1f4d5abb1562679c33f38faf171f5cfc81c969 # v0

.github/workflows/links.yaml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   links:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 2
     steps:
       # yamllint disable-line rule:line-length

.github/workflows/linting.yaml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   linting:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       # yamllint disable-line rule:line-length
       - uses: paddyroddy/.github/actions/linting@fc1f4d5abb1562679c33f38faf171f5cfc81c969 # v0

.github/workflows/publish.yaml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   build-and-deploy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       contents: write
     steps:

github-safe-settings-policy-as-code/index.qmd

@@ -431,7 +431,7 @@ concurrency:
 
 jobs:
   safe-settings-sync:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     env:
       SAFE_SETTINGS_VERSION: 2.1.14
       SAFE_SETTINGS_CODE_DIR: .safe-settings-code

linting-prose-with-vale/index.qmd

@@ -299,7 +299,7 @@ run as a pre-commit hook.
 ```{.yaml code-line-numbers="1-4|5-6|8-9|8-11|8-12|8-15"}
 jobs:
   lint-prose:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Checkout source
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

turbocharging-your-github-organisation/index.qmd

@@ -501,7 +501,7 @@ This can be then be used in organisation repositories as follows, e.g.
 ```{.yaml}
 jobs:
   add-issue-to-project:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: UCL-MIRSG/.github/actions/add-to-project@v0
         with: