ci: test both push and pull_request events

I think we have a bug with pull_request events so...

.forgejo/workflows/check.yml

@@ -24,18 +24,17 @@ jobs:
         uses: ./
         with:
           # Create a comment on the associated PR
-          comment-on-pr: ${{ github.ref_name != 'main' }}
+          comment-on-pr: 'false'
           # Generate artifacts on main (to speed up comparisons)
           # generate-artifact: ${{ github.ref_name == 'main' }}
           # Always generate artifacts for testing purposes
           generate-artifact: 'true'
-          # Generate comparisons to main
-          do-comparison: 'true'
-          # This job's name (so we can find the artifacts)
+          # This job's name (so we can find the previous artifacts)
           job-name: report-size
   report-download-check:
     runs-on: nixos
-    needs: report-size
+    needs: report-size-push
+    if: github.event_name == 'push'
     steps:
       - name: Download previous report
         uses: https://git.salame.cl/actions/download-artifact@d8d0a99033603453ad2255e58720b460a0555e1e # v4