MINIFICPP-2492 Free up disk space for docker tests

It seems Elasticsearch tests were transiently failing due to insufficient disk space to start the Elasticsearch node. Freeing up some additional disk space solves this issue.

https://issues.apache.org/jira/browse/MINIFICPP-2492

Closes #1899

Signed-off-by: Marton Szasz <[email protected]>

.github/workflows/ci.yml

@@ -553,6 +553,16 @@ jobs:
           restore-keys: |
             docker-ccache-${{github.ref}}-
             docker-ccache-refs/heads/main
+      - id: free_disk_space
+        run: |
+          # We can gain additional disk space on the Ubuntu runners thanks to these suggestions:
+          # https://github.com/actions/runner-images/issues/2840#issuecomment-790492173
+          # https://github.com/actions/runner-images/issues/2606#issuecomment-772683150
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
       - id: build
         run: |
           mkdir build
@@ -599,6 +609,16 @@ jobs:
         run: |
           sudo apt update
           sudo apt install -y python3-virtualenv
+      - id: free_disk_space
+        run: |
+          # We can gain additional disk space on the Ubuntu runners thanks to these suggestions:
+          # https://github.com/actions/runner-images/issues/2840#issuecomment-790492173
+          # https://github.com/actions/runner-images/issues/2606#issuecomment-772683150
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
       - id: test
         name: Docker Verify
         working-directory: ./build