Adjust the script a bit

.github/workflows/update-default.yml

@@ -20,19 +20,18 @@ jobs:
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git config --global user.name "github actions"
           if git commit -m "update default sbt version to ${SBT_VERSION}"; then
-            git push -f origin HEAD:"update-default-sbt-${SBT_VERSION}"
-            echo "pushed=true" >> $GITHUB_OUTPUT
+            echo "changed=true" >> $GITHUB_OUTPUT
             echo "sbt_version=${SBT_VERSION}" >> $GITHUB_OUTPUT
           else
-            echo "pushed=false" >> $GITHUB_OUTPUT
+            echo "changed=false" >> $GITHUB_OUTPUT
           fi
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Create Pull Request
-        if: steps.update_default.outputs.pushed == 'true'
+        if: steps.update_default.outputs.changed == 'true'
         uses: peter-evans/create-pull-request@v4
         with:
-          title: "deps: Update sbt version"
-          branch: generation
+          title: "deps: Update sbt to ${{ steps.update_default.outputs.sbt_version }}"
+          branch: "update-default-sbt-${{ steps.update_default.outputs.sbt_version }}"
           base: ${{ github.head_ref }}