Update hassfest_validate.yml

Signed-off-by: 12oclocker <73079144+12oclocker@users.noreply.github.com>

Author: 12oclocker

.github/workflows/hassfest_validate.yml

@@ -5,10 +5,11 @@ on:
   pull_request:
   schedule:
     - cron: "0 0 * * *"
+  workflow_dispatch:
 
 jobs:
   validate:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v3"
-      - uses: home-assistant/actions/hassfest@master
+      - uses: home-assistant/actions/hassfest@master