Update dependency aws-actions/configure-aws-credentials to v4.2.1 (#414)

| datasource  | package                               | from   | to     |
| ----------- | ------------------------------------- | ------ | ------ |
| github-tags | aws-actions/configure-aws-credentials | v4.0.3 | v4.2.1 |

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

Author: renovate[bot]

README.md

@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4.0.3
+        uses: aws-actions/configure-aws-credentials@v4.2.1
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}