Fix creating sonatype repo on snapshots

Signed-off-by: solonovamax <solonovamax@12oclockpoint.com>

.github/workflows/publish.yml

@@ -32,6 +32,7 @@ jobs:
       - name: Create Staging Repository
         id: create
         uses: nexus-actions/create-nexus-staging-repo@3e5e7209801629febdcf75541a4898710d28df9a
+        if: startsWith(github.ref, 'refs/tags') # Only publish to sonatype if tagged
         with:
           base_url: https://s01.oss.sonatype.org/service/local/
           username: ${{ secrets.SONATYPE_USERNAME }}