Update importlib-metadata requirement from <2,>=0.12 to >=0.12,<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@0.12...v8.5.0)

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

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

setup.py

@@ -14,7 +14,7 @@
         author_ = [x for x in re.split(r"[ =']", line) if x][1]
 f.close()
 
-test_deps = ['importlib-metadata<2,>=0.12', 'tox<4', 'tox-pyenv', 'pytest']
+test_deps = ['importlib-metadata>=0.12,<9', 'tox<4', 'tox-pyenv', 'pytest']
 
 setup(
     name = "wandbox-api"