Fix description in metadata

Author: mxr

setup.cfg

@@ -1,7 +1,7 @@
 [metadata]
 name = sync_pre_commit_deps
 version = 0.0.2
-description = apply a consistent format to `setup.cfg` files
+description = Sync pre-commit hook dependencies based on other installed hooks
 long_description = file: README.md
 long_description_content_type = text/markdown
 url = https://github.com/pre-commit/sync-pre-commit-deps