github: free disk space in the test workflow runner

The test runner is running out of disk space.
This is a hack for freeing up disk space in a workflow.

Signed-off-by: Martin Hickey <martin.hickey@ie.ibm.com>

Author: hickeyma

.github/actions/free-disk-space/action.yml

@@ -0,0 +1,27 @@
+name: 'Free Disk Space'
+description: 'Frees disk space on the runner'
+runs:
+  using: "composite"
+  steps:
+    - name: Print disk space before cleanup
+      run: |
+        df -h
+      shell: bash
+    - name: Free Disk Space Linux
+      if: runner.os == 'Linux'
+      run: |
+        sudo docker rmi "$(docker image ls -aq)" >/dev/null 2>&1 || true
+        sudo rm -rf \
+          /usr/share/dotnet /usr/local/lib/android /opt/ghc \
+          /usr/local/share/powershell /usr/share/swift /usr/local/.ghcup \
+          /usr/lib/jvm || true
+        sudo apt install aptitude -y >/dev/null 2>&1
+        sudo aptitude purge '~n ^mysql' -f -y >/dev/null 2>&1
+        sudo aptitude purge '~n ^dotnet' -f -y >/dev/null 2>&1
+        sudo apt-get autoremove -y >/dev/null 2>&1
+        sudo apt-get autoclean -y >/dev/null 2>&1
+      shell: bash
+    - name: Print disk space after cleanup
+      run: |
+        df -h
+      shell: bash

.github/workflows/test.yml

@@ -59,6 +59,9 @@ jobs:
           # https://github.com/actions/checkout/issues/249
           fetch-depth: 0
 
+      - name: Free disk space
+        uses: ./.github/actions/free-disk-space
+  
       - name: Setup Python ${{ matrix.python }}
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with: