fix: use correct secret name for workflow dispatch PAT

The release-please workflow referenced secrets.PAT_WORKFLOW but the
actual repository secret is WEBSSH2_PAT_WORKFLOW, causing a 403 when
dispatching the docker-publish workflow.

Author: billchurch

.github/workflows/release-please.yml

@@ -72,7 +72,7 @@ jobs:
       - name: Trigger Docker build
         if: ${{ steps.release.outputs.release_created }}
         env:
-          GH_TOKEN: ${{ secrets.PAT_WORKFLOW }}
+          GH_TOKEN: ${{ secrets.WEBSSH2_PAT_WORKFLOW }}
           RELEASE_TAG: ${{ steps.release.outputs.tag_name }}
         run: |
           gh workflow run docker-publish.yml \