build(deps-dev): bump aws-sdk from 2.1473.0 to 2.1503.0 in /example

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.1473.0 to 2.1503.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Commits](aws/aws-sdk-js@v2.1473.0...v2.1503.0)

---
updated-dependencies:
- dependency-name: aws-sdk
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

example/package.json

@@ -16,7 +16,7 @@
     "test": "sls invoke -f example"
   },
   "devDependencies": {
-    "aws-sdk": "2.1473.0",
+    "aws-sdk": "2.1503.0",
     "serverless": "3.35.2",
     "serverless-vpc-plugin": "smoketurner/serverless-vpc-plugin#master",
     "serverless-webpack": "5.13.0",