Bump monty from 2023.8.8 to 2023.9.5

Bumps [monty](https://github.com/materialsvirtuallab/monty) from 2023.8.8 to 2023.9.5.
- [Release notes](https://github.com/materialsvirtuallab/monty/releases)
- [Changelog](https://github.com/materialsvirtuallab/monty/blob/master/docs/changelog.md)
- [Commits](materialsvirtuallab/monty@v2023.8.8...v2023.9.5)

---
updated-dependencies:
- dependency-name: monty
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -1,5 +1,5 @@
 Flask==2.3.3
 ruamel.yaml==0.17.32
-monty==2023.8.8
+monty==2023.9.5
 pymongo==4.5.0
 plotly==5.17.0