CI: Harmonize versioningit with GHA release workflow

Author: amotl

pyproject.toml

@@ -19,7 +19,11 @@ packages = ["src/crate"]
 
 [tool.hatch.version]
 source = "versioningit"
-default-version = "0.0.0+unknown"
+
+[tool.versioningit.vcs]
+method = "git-archive"
+default-tag = "0.0.0"
+describe-subst = "$Format:%(describe:tags)$"
 
 [project]
 name = "crate"