Add script to remove additional tooling that is not needed

Author: johscheuer

.github/workflows/pull_request.yml

@@ -36,7 +36,7 @@ jobs:
         kubever: [ "v1.30.0", "v1.31.0", "v1.32.0", "v1.33.0"  ]
     steps:
     - name: Free disk space
-      run: ./scripts/free_disk_space.sh
+      run: bash ${GITHUB_WORKSPACE}/scripts/free_disk_space.sh
     - name: Check out code into the Go module directory
       uses: actions/checkout@v4
       with: