chore(deps): update home-assistant/actions digest to f4ca6f6

Author: renovate[bot]

.github/workflows/validate.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Run hassfest validation
-        uses: home-assistant/actions/hassfest@868e6cb4607727d764341a158d98872cd63fa658 # master
+        uses: home-assistant/actions/hassfest@f4ca6f671bd429efb108c0f2fa0ae8af0215986c # master
 
   hacs: # https://github.com/hacs/action
     name: HACS validation