Mark the package as production/stable

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

pyproject.toml

@@ -17,7 +17,7 @@ license = { text = "MIT" }
 keywords = ["frequenz", "python", "lib", "library", "core", "stdlib"]
 # TODO(cookiecutter): Remove and add more classifiers if appropriate
 classifiers = [
-  "Development Status :: 3 - Alpha",
+  "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Programming Language :: Python :: 3",