Support checks in forked repositories

Signed-off-by: Benoit Donneaux <benoit@leastauthority.com>

.forgejo/workflows/jekyll.yaml

@@ -56,6 +56,7 @@ jobs:
           jekyll build --verbose
       - name: Deploy Jekyll site
         id: deploy_site
+        if: forge.repository == 'Tahoe-LAFS/web-landing-page'
         run: |
           if [ "${{ forge.ref }}" = 'refs/heads/main' ]; then
             WEB_ROOT="${WEB_DIR}/live"
@@ -79,7 +80,7 @@ jobs:
             ./_site/ "${WEB_USER}@${WEB_HOST}:${WEB_ROOT}${WEB_CONTEXT}"
       - name: Comment pull request
         id: comment_pull_request
-        if: ${{ always() && forge.event_name == 'pull_request' }}
+        if: ${{ always() && forge.event_name == 'pull_request' && forge.repository == 'Tahoe-LAFS/web-landing-page' }}
         uses: https://github.com/exercism/pr-commenter-action@v1.5.1
         with:
           template-variables: |

.forgejo/workflows/jekyll_cleanup.yml

@@ -12,6 +12,7 @@ env:
   WEB_CONTEXT: "/${{ forge.event.pull_request.number }}/"
 jobs:
   jekyll_cleanup:
+    if: forge.repository == 'Tahoe-LAFS/web-landing-page'
     runs-on: ubuntu-22.04
     permissions:
       pull-requests: read