chore: update docker build for cleanup (#1486)

Author: nitisht

.github/workflows/build-push-edge.yaml

@@ -36,6 +36,9 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: parseable/parseable
+      
+      - name: Clean up builder cache
+        run: docker builder prune -f
 
       - name: Build and push
         uses: docker/build-push-action@v6