Refactored dependencies config

- Changed `project.optional-dependencies` to `dependency-groups`

Author: coordt

pyproject.toml

@@ -51,7 +51,7 @@ homepage = "https://github.com/callowayproject/bump-my-version"
 repository = "https://github.com/callowayproject/bump-my-version.git"
 documentation = "https://callowayproject.github.io/bump-my-version/"
 
-[project.optional-dependencies]
+[dependency-groups]
 dev = [
     "git-fame>=1.12.2",
     "generate-changelog>=0.7.6",