ci: Don't comment on forked PRs automatically

.github/actions/loadtest/action.yml

@@ -208,6 +208,7 @@ runs:
 
     - name: Post PR comment
       if: inputs.post-comment == 'true' && inputs.pr-number != ''
+      continue-on-error: true
       uses: actions/github-script@v7
       with:
         github-token: ${{ inputs.github-token }}
@@ -234,12 +235,21 @@ runs:
             `**Artifacts:** [Download](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})`,
           ].join('\n');
 
-          await github.rest.issues.createComment({
-            owner: context.repo.owner,
-            repo: context.repo.repo,
-            issue_number: ${{ inputs.pr-number }},
-            body: body
-          });
+          try {
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: ${{ inputs.pr-number }},
+              body: body
+            });
+            console.log('Comment posted successfully');
+          } catch (error) {
+            if (error.status === 403) {
+              console.log('Could not post comment (fork PR with restricted permissions). Use /loadtest command to run with comment posting.');
+            } else {
+              throw error;
+            }
+          }
 
     - name: Upload results
       uses: actions/upload-artifact@v4