Added CI job step to free some space in runner image

.github/workflows/playground-check.yaml

@@ -8,6 +8,23 @@ jobs:
   playground-check:
     runs-on: ubuntu-latest
     steps:
+      - name: Free space check #1
+        run: df -h
+
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: false
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
+      - name: Free space check #2
+        run: df -h
+
       - name: Checkout code
         uses: actions/checkout@v4
 
@@ -17,6 +34,9 @@ jobs:
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
 
+      - name: Free space check #3
+        run: df -h
+
       - name: Setup environment
         run: |
           cp playground/.env.example playground/.env
@@ -28,6 +48,9 @@ jobs:
           cd playground
           docker compose -f docker-compose.fork.yml up -d
 
+      - name: Free space check #4
+        run: df -h
+
       - name: Execute validation script
         run: |
           cd playground