Remove empty slack-webhook parameter

Author: JamesMGreene

.github/workflows/release.yml

@@ -56,7 +56,6 @@ jobs:
         uses: actions/[email protected]
         with:
           source-tag: ${{ env.TAG_NAME }}
-          slack-webhook: ${{ secrets.SLACK_WEBHOOK }}
 
       # Login to the GHCR Docker registry
       - name: Log into registry ${{ env.REGISTRY }}