Update importlib-metadata requirement from <7,>=6.0 to >=6.0,<8

Updates the requirements on [importlib-metadata](https://github.com/python/importlib_metadata) to permit the latest version.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/NEWS.rst)
- [Commits](python/importlib_metadata@v6.0.0...v7.0.1)

---
updated-dependencies:
- dependency-name: importlib-metadata
  dependency-type: direct:production
...

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

pyproject.toml

@@ -29,7 +29,7 @@ dependencies = [
   "Jinja2>=3.1.3,<4",
   "click>=7.0,<9.0",
   "python-dateutil>=2.0,<3",
-  "importlib_metadata>=6.0,<7",
+  "importlib_metadata>=6.0,<8",
   "typing-extensions>=4.4,<5",
 ]