fix(ci): automated prs should be authored by bot user (#616)

* fix(ci): automated prs should be authored by bot user

* fix: PR content does not use correct tag info

Author: m90

.github/workflows/docker.build.yml

@@ -100,11 +100,11 @@ jobs:
         if: steps.update-check.outputs.match == 'true'
         with:
           path: ./repos/wbaas-deploy-staging
-          commit-message: 'Staging+Local: Deploy new Platform API image ${{ steps.docker_meta.outputs.tags }}'
-          title: 'Staging+Local: Deploy new Platform API image ${{ steps.docker_meta.outputs.tags }}'
+          commit-message: 'Staging+Local: Deploy new Platform API image ${{ steps.update-values.outputs.tag }}'
+          title: 'Staging+Local: Deploy new Platform API image ${{ steps.update-values.outputs.tag }}'
           branch: deploy-to-staging-${{ steps.update-values.outputs.tag }}
           committer: wmdebot <github-bots@wikimedia.de>
-          author: ${{ github.actor }} <github-bots@wikimedia.de>
+          author: wmdebot <github-bots@wikimedia.de>
           labels: automated pr
           token: ${{ secrets.WBAAS_DEPLOY_TOKEN }}
           body: |
@@ -116,11 +116,11 @@ jobs:
         if: steps.update-check.outputs.match == 'true'
         with:
           path: ./repos/wbaas-deploy-production
-          commit-message: 'Production: Deploy new Platform API image ${{ steps.docker_meta.outputs.tags }}'
-          title: 'Production: Deploy new Platform API image ${{ steps.docker_meta.outputs.tags }}'
+          commit-message: 'Production: Deploy new Platform API image ${{ steps.update-values.outputs.tag }}'
+          title: 'Production: Deploy new Platform API image ${{ steps.update-values.outputs.tag }}'
           branch: deploy-to-production-${{ steps.update-values.outputs.tag }}
           committer: wmdebot <github-bots@wikimedia.de>
-          author: ${{ github.actor }} <github-bots@wikimedia.de>
+          author: wmdebot <github-bots@wikimedia.de>
           labels: automated pr
           token: ${{ secrets.WBAAS_DEPLOY_TOKEN }}
           body: |