MNT: Align version metadata with git tag (#28)

* The latest repository tag is 0.1.0 and so the action version metadata
  should reflect that as well.

Author: matthewfeickert

action.yml

@@ -5,7 +5,7 @@ permissions:
   contents: read
   metadata: read
 author: "Scientific-Python"
-version: "1.0.0"
+version: "0.1.0"
 
 inputs:
   artifacts_path: