Bump emmet-core from 0.84.3rc4 to 0.84.3rc6

Bumps [emmet-core](https://github.com/materialsproject/emmet) from 0.84.3rc4 to 0.84.3rc6.
- [Release notes](https://github.com/materialsproject/emmet/releases)
- [Changelog](https://github.com/materialsproject/emmet/blob/main/docs/CHANGELOG.md)
- [Commits](materialsproject/emmet@0.84.3rc4...v0.84.3rc6)

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

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

pyproject.toml

@@ -98,7 +98,7 @@ strict = [
     "click==8.1.7",
     "custodian==2024.10.16",
     "dscribe==2.1.1",
-    "emmet-core==0.84.3rc4",
+    "emmet-core==0.84.3rc6",
     "ijson==3.3.0",
     "jobflow==0.1.19",
     "lobsterpy==0.4.9",