Update setuptools-scm[toml] requirement from ~=7.1.0 to ~=8.1.0

Updates the requirements on [setuptools-scm[toml]](https://github.com/pypa/setuptools_scm) to permit the latest version.
- [Release notes](https://github.com/pypa/setuptools_scm/releases)
- [Changelog](https://github.com/pypa/setuptools-scm/blob/main/CHANGELOG.md)
- [Commits](pypa/setuptools-scm@v7.1.0...v8.1.0)

---
updated-dependencies:
- dependency-name: setuptools-scm[toml]
  dependency-type: direct:production
...

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

pyproject.toml

@@ -146,7 +146,7 @@ readme = { file = ['README.md'], content-type = 'text/markdown' }
 build-backend = 'setuptools.build_meta'
 requires = [
     'setuptools ~= 66.0',
-    'setuptools_scm[toml] ~= 7.1.0',
+    'setuptools_scm[toml] ~= 8.1.0',
     'wheel ~= 0.38.4',
 ]