Update github action to use ubuntu-24.04

Signed-off-by: Chin Yeung Li <[email protected]>

Author: chinyeungli

.github/workflows/docs-ci.yml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     strategy:
       max-parallel: 4

.github/workflows/pypi-release.yml

@@ -21,7 +21,7 @@ on:
 jobs:
   build-pypi-distribs:
     name: Build and publish library to PyPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@v4
@@ -47,7 +47,7 @@ jobs:
     name: Create GH release
     needs:
       - build-pypi-distribs
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Download built archives
@@ -67,7 +67,7 @@ jobs:
     name: Create PyPI release
     needs:
       - create-gh-release
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Download built archives