Drop package name tag prefix for workflow (#420)

Fix an incorrect copy/paste.

Author: natebosch

.github/workflows/publish.yaml

@@ -7,7 +7,7 @@ on:
     branches: [ master ]
     types: [opened, synchronize, reopened, labeled, unlabeled]
   push:
-    tags: [ '[A-z]+-v[0-9]+.[0-9]+.[0-9]+*' ]
+    tags: [ 'v[0-9]+.[0-9]+.[0-9]+*' ]
 
 jobs:
   publish: