chore(workflow): publish typo (#8)

Fixed a typo in the publish workflow.

Author: tmkujala

.github/workflows/publish.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/setup-java@v2
         with:
           distribution: zulu
-          python-version: '8'
+          java-version: '8'
 
       - name: Decode signing key ring
         run: |