chore(deps): bump momento from 1.28.0 to 1.28.1 in /examples

Bumps [momento](https://github.com/momentohq/client-sdk-python) from 1.28.0 to 1.28.1.
- [Release notes](https://github.com/momentohq/client-sdk-python/releases)
- [Changelog](https://github.com/momentohq/client-sdk-python/blob/main/CHANGELOG.md)
- [Commits](v1.28.0...v1.28.1)

---
updated-dependencies:
- dependency-name: momento
  dependency-version: 1.28.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

examples/poetry.lock

@@ -8,7 +8,7 @@ license = "Apache-2.0"
 [tool.poetry.dependencies]
 python = ">=3.9,<3.13"
 
-momento = "1.28.0"
+momento = "1.28.1"
 colorlog = "6.7.0"
 hdrhistogram = "^0.10.1"
 setuptools = "^78.1.1"