CI: Free disk remaining space.

.github/workflows/multi-arch-test-build.yml

@@ -35,6 +35,17 @@ jobs:
             target: x86-64
 
     steps:
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0