Bump maggma from 0.40.0 to 0.44.1 (#551)

Bumps [maggma](https://github.com/materialsproject/maggma) from 0.40.0 to 0.44.1.
- [Release notes](https://github.com/materialsproject/maggma/releases)
- [Changelog](https://github.com/materialsproject/maggma/blob/main/docs/CHANGELOG.md)
- [Commits](materialsproject/maggma@v0.40.0...v0.44.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,7 +1,7 @@
 pydantic>=1.8.2
 pymatgen>=2022.3.7
 typing-extensions==4.0.1
-maggma==0.40.0
+maggma==0.44.1
 requests==2.27.1
 monty==2022.1.19
 emmet-core==0.21.20