chore(deps): update hacs/action digest to 6f81caf

Author: renovate[bot]

.github/workflows/validate.yaml

@@ -14,6 +14,6 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: HACS validation
-        uses: "hacs/action@06827d281b9c558c46d8ed6f4aae6c517fdc19ed"
+        uses: "hacs/action@6f81caf1dd4cc0f615444dba4d4a3ceaa22db99c"
         with:
           category: "integration"