chore(deps): update marocchino/sticky-pull-request-comment action to v3.0.3

Author: renovate[bot]

.github/workflows/testing.yml

@@ -64,7 +64,7 @@ jobs:
           format: "markdown"
           output: "both"
       - name: Add coverage PR comment
-        uses: marocchino/sticky-pull-request-comment@v3.0.2
+        uses: marocchino/sticky-pull-request-comment@v3.0.3
         with:
           recreate: true
           path: code-coverage-results.md