Update GitHub Actions workflow for validation

Author: jjjonesjr33

.github/workflows/validate.yml

@@ -6,7 +6,8 @@ on:
 
 permissions:
   contents: read
-  
+  packages: read
+
 jobs:
   validate-hassfest:
     name: Hassfest Validation
@@ -15,6 +16,13 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v5
 
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Run Hassfest validation
         uses: home-assistant/actions/hassfest@master