chore(ci): re-enable setting the author of the automated PRs (#6646)

Author: nirinchev

.github/workflows/bump-packages.yaml

@@ -53,5 +53,6 @@ jobs:
           branch: ci/bump-packages
           title: "chore(release): bump package versions"
           labels: no-title-validation
+          author: ${{ steps.app-token.outputs.app-email }}
           body: |
             - Bump package versions

.github/workflows/update-electron.yaml

@@ -47,5 +47,6 @@ jobs:
           branch: ci/update-electron
           title: 'chore(deps): update electron'
           labels: no-title-validation
+          author: ${{ steps.app-token.outputs.app-email }}
           body: |
             - Update electron