Move CDN ID to vars

Author: rafaljanicki

.github/workflows/developer.yml

@@ -56,9 +56,9 @@ jobs:
     - name: Invalidate CloudFront Cache
       uses: chetan/invalidate-cloudfront-action@v2
       env:
-        DISTRIBUTION: ${{ secrets.AWS_CLOUDFRONT_DISTRIBUTION }}
+        DISTRIBUTION: ${{ vars.AWS_CLOUDFRONT_DISTRIBUTION }}
         PATHS: "/labs/* /developer/*"
-        AWS_REGION: ${{ secrets.AWS_S3_REGION }}
+        AWS_REGION: ${{ vars.AWS_S3_REGION }}
         AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
         AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}