No need for pkginfo pin any more

The upstream issue was fixed. Refs #1913

.github/workflows/publish.yml

@@ -51,7 +51,6 @@ jobs:
           ${{ runner.os }}-publish-pip-
     - name: Install dependencies
       run: |
-        pip install pkginfo==1.8.3
         pip install setuptools wheel twine
     - name: Publish
       env: