ci: fix pull request description

.github/workflows/deployment-weekly-release.yml

@@ -35,10 +35,10 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           title: "(chore): automatic release ${{ steps.semver.outputs.next }}"
-          old_string: "**This is an automatic release**.<br/>Manual action may be required for major bumps.<br/>Detected change to be ``${{ steps.semver.outputs.bump }}``<br/>Bump version from ``${{ steps.semver.outputs.current }}`` to ``${{ steps.semver.outputs.next }}``"
+          new_string: "**This is an automatic release**.<br/>Manual action may be required for major bumps.<br/>Detected change to be ``${{ steps.semver.outputs.bump }}``<br/>Bump version from ``${{ steps.semver.outputs.current }}`` to ``${{ steps.semver.outputs.next }}``"
           source_branch: dev
           target_branch: main
-          label: "automerge"
+          label: automerge
       - name: Discord notification
         env:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}