build(deps-dev): bump moto from 5.1.11 to 5.1.16

Bumps [moto](https://github.com/getmoto/moto) from 5.1.11 to 5.1.16.
- [Release notes](https://github.com/getmoto/moto/releases)
- [Changelog](https://github.com/getmoto/moto/blob/master/CHANGELOG.md)
- [Commits](getmoto/moto@5.1.11...5.1.16)

---
updated-dependencies:
- dependency-name: moto
  dependency-version: 5.1.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -30,7 +30,7 @@ ruff = "^0.14.4"
 petname = "^2.6"
 black = "^25.11.0"
 boto3 = "^1.40.69"
-moto = "^5.1.10"
+moto = "^5.1.16"
 pyparsing = "^3.2.4"
 types-python-dateutil = "^2.9.0.20251108"
 aws-lambda-powertools = "^3.22.0"