build(deps): bump @aws-sdk/lib-storage in /app/web

Bumps [@aws-sdk/lib-storage](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/lib/lib-storage) from 3.515.0 to 3.521.0.
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/lib/lib-storage/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.521.0/lib/lib-storage)

---
updated-dependencies:
- dependency-name: "@aws-sdk/lib-storage"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app/web/package.json

@@ -21,7 +21,7 @@
     "@aws-sdk/client-cognito-identity-provider": "^3.521.0",
     "@aws-sdk/client-lambda": "^3.521.0",
     "@aws-sdk/client-s3": "^3.521.0",
-    "@aws-sdk/lib-storage": "^3.515.0",
+    "@aws-sdk/lib-storage": "^3.521.0",
     "@aws-sdk/s3-request-presigner": "^3.515.0",
     "@patternfly/react-core": "^5.2.0",
     "@patternfly/react-icons": "^5.1.1",