Only open issue when error code

Signed-off-by: Kingdon Barrett <[email protected]>

.github/workflows/lychee-cron.yaml

@@ -22,6 +22,7 @@ jobs:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
 
       - name: Create Issue From File
+        if: env.lychee_exit_code != 0
         uses: peter-evans/create-issue-from-file@v5
         with:
           title: Link Checker Report