Update cloudposse-github-actions/readme action to v0.3.0 (#120)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci-readme.yml

@@ -67,7 +67,7 @@ jobs:
           fetch-depth: 0
           token: ${{ steps.github-app.outputs.token }}
 
-      - uses: cloudposse-github-actions/readme@0.2.0
+      - uses: cloudposse-github-actions/readme@0.3.0
         with:
           token: ${{ steps.github-app.outputs.token }}
           readme_enabled: true