Update importlib-metadata requirement from <8,>=4 to >=8.0.0,<9

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@v4.0.0...v8.0.0)

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

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

pyproject.toml

@@ -24,7 +24,7 @@ dependencies = [
     "requests~=2.26",
     "dataclasses-json>=0.5.5,<0.7.0",
     "typing-extensions~=4.0",
-    "importlib-metadata>=4,<8",
+    "importlib-metadata>=8.0.0,<9",
     "websocket-client",
 ]
 dynamic = ["version"]