Bump maggma from 0.68.6 to 0.69.3

Bumps [maggma](https://github.com/materialsproject/maggma) from 0.68.6 to 0.69.3.
- [Release notes](https://github.com/materialsproject/maggma/releases)
- [Changelog](https://github.com/materialsproject/maggma/blob/main/docs/CHANGELOG.md)
- [Commits](materialsproject/maggma@v0.68.6...v0.69.3)

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

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

Author: dependabot[bot]

tests/requirements.txt

@@ -12,4 +12,4 @@ ase==3.23.0
 jobflow==0.1.17
 jobflow-remote==0.1.2
 toml==0.10.2
-maggma==0.68.6
+maggma==0.69.3