Bump emmet-core from 0.80.0 to 0.81.0

Bumps [emmet-core](https://github.com/materialsproject/emmet) from 0.80.0 to 0.81.0.
- [Release notes](https://github.com/materialsproject/emmet/releases)
- [Changelog](https://github.com/materialsproject/emmet/blob/main/docs/CHANGELOG.md)
- [Commits](materialsproject/emmet@v0.80.0...v0.81.0)

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

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

requirements/requirements.txt

@@ -1,5 +1,5 @@
 pymatgen==2024.3.1
 custodian==2024.3.12
 jobflow==0.1.17
-emmet-core==0.80.0
+emmet-core==0.81.0
 turbomoleio==1.4.0