[IMP] Cleanup before and after build

.github/workflows/ci.yaml

@@ -106,6 +106,10 @@ jobs:
       DOCKER_REPO: tecnativa/doodba
       GHCR_HOST: ghcr.io
     steps:
+      - name: Clean Docker system before build
+        run: |
+          docker system prune -af || true
+          docker builder prune -af || true
       # Set build date as env variable to be used later
       - name: Set build date
         run: echo "BUILD_DATE=$(date '+%Y-%m-%dT%H:%M:%S.%N%:z')" >> $GITHUB_ENV
@@ -168,3 +172,7 @@ jobs:
             VCS_REF=${{ github.sha }}
             BUILD_DATE=${{ env.BUILD_DATE }}
             ODOO_VERSION=${{ matrix.odoo_version }}
+      - name: Clean Docker system after build
+        run: |
+          docker system prune -af || true
+          docker builder prune -af || true