Merge branch 'js/ci-github-update-ubuntu'

Adjust to the deprecation of use of Ubuntu 20.04 GitHub Actions CI.

* js/ci-github-update-ubuntu:
  ci: upgrade `sparse` to supported build agents

Author: gitster

.github/workflows/main.yml

@@ -448,21 +448,12 @@ jobs:
     if: needs.ci-config.outputs.enabled == 'yes'
     env:
       jobname: sparse
-      CI_JOB_IMAGE: ubuntu-20.04
-    runs-on: ubuntu-20.04
+      CI_JOB_IMAGE: ubuntu-22.04
+    runs-on: ubuntu-22.04
     concurrency:
       group: sparse-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - name: Download a current `sparse` package
-      # Ubuntu's `sparse` version is too old for us
-      uses: git-for-windows/get-azure-pipelines-artifact@v0
-      with:
-        repository: git/git
-        definitionId: 10
-        artifact: sparse-20.04
-    - name: Install the current `sparse` package
-      run: sudo dpkg -i sparse-20.04/sparse_*.deb
     - uses: actions/checkout@v4
     - name: Install other dependencies
       run: ci/install-dependencies.sh

ci/install-dependencies.sh

@@ -119,7 +119,7 @@ StaticAnalysis)
 sparse)
 	sudo apt-get -q update -q
 	sudo apt-get -q -y install libssl-dev libcurl4-openssl-dev \
-		libexpat-dev gettext zlib1g-dev
+		libexpat-dev gettext zlib1g-dev sparse
 	;;
 Documentation)
 	sudo apt-get -q update