Bump fast-xml-parser and @aws-sdk/client-s3 in /serverless/aws (#636)

Bumps [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) to 5.3.4 and updates ancestor dependency [@aws-sdk/client-s3](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/clients/client-s3). These dependencies need to be updated together.


Updates `fast-xml-parser` from 4.4.1 to 5.3.4
- [Release notes](https://github.com/NaturalIntelligence/fast-xml-parser/releases)
- [Changelog](https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/NaturalIntelligence/fast-xml-parser/compare/v4.4.1...v5.3.4)

Updates `@aws-sdk/client-s3` from 3.637.0 to 3.982.0
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/clients/client-s3/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.982.0/clients/client-s3)

---
updated-dependencies:
- dependency-name: fast-xml-parser
  dependency-version: 5.3.4
  dependency-type: indirect
- dependency-name: "@aws-sdk/client-s3"
  dependency-version: 3.982.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

serverless/aws/package.json

@@ -20,7 +20,7 @@
     "biome-check": "biome check --config-path=../../js src"
   },
   "dependencies": {
-    "@aws-sdk/client-s3": "^3.637.0",
+    "@aws-sdk/client-s3": "^3.982.0",
     "@smithy/node-http-handler": "^3.1.4",
     "pmtiles": "^4.3.0"
   }