fix(ci): Fix the workflow that updates the proto version

.github/workflows/update-platform-branch.yaml

@@ -35,6 +35,14 @@ jobs:
         with:
           persist-credentials: true
 
+      - name: Set up GitHub CLI as Actions bot
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh auth setup-git
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
       - name: Fetch latest semver tag for protocol/go
         id: fetch-latest-tag
         run: |
@@ -76,45 +84,51 @@ jobs:
           git checkout update-platform-branch
 
       - name: Update platform.branch in pom.xml files
+        id: update-platform-branch
         run: |
           find . -name "pom.xml" -exec sed -i.bak "s|<platform.branch>.*</platform.branch>|<platform.branch>${LATEST_TAG}</platform.branch>|g" {} \;
           CHANGED_FILES=$(find . -name "pom.xml" -exec diff -u {} {}.bak \;)
           if [ -z "$CHANGED_FILES" ]; then
             echo "No changes detected in pom.xml files." | tee -a $GITHUB_STEP_SUMMARY
             find . -name "pom.xml.bak" -delete
-            exit 1
+            echo "no_updates=true" >> $GITHUB_OUTPUT
+            exit 0
           fi
           echo "The following pom.xml files were updated: $CHANGED_FILES"
           find . -name "pom.xml.bak" -delete
 
       - name: Create new branch
-        if: steps.check-pr.outputs.EXISTING_PR == ''
+        if: steps.check-pr.outputs.EXISTING_PR == '' && steps.update-platform-branch.outputs.no_updates != 'true'
         run: |
           git checkout -b update-platform-branch
           git add .
           git commit -m "fix(sdk): Updates to proto version $LATEST_TAG"
           git push origin update-platform-branch
 
       - name: Update existing PR
-        if: steps.check-pr.outputs.EXISTING_PR != ''
+        if: steps.check-pr.outputs.EXISTING_PR != '' && steps.update-platform-branch.outputs.no_updates != 'true'
         run: |
           git add .
           git commit --amend --no-edit
           git push origin update-platform-branch --force
 
       - name: Create New PR
-        if: steps.check-pr.outputs.EXISTING_PR == ''
-        uses: peter-evans/create-pull-request@v7.0.8
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          commit-message: "fix(sdk): Updates to proto version $LATEST_TAG"
-          branch: update-platform-branch
-          title: "fix(sdk): Updates to proto version $LATEST_TAG"
-          body: |
-            This PR updates the platform.branch property in all pom.xml files to the new tag or branch: $LATEST_TAG.
+        if: steps.check-pr.outputs.EXISTING_PR == '' && steps.update-platform-branch.outputs.no_updates != 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          RELEASE_NOTES=$(gh release view protocol/go/$LATEST_TAG --repo opentdf/platform --json body --jq '.body')
+          cat <<EOF > pr_body.txt
+          This PR updates the platform.branch property in all pom.xml files to the new tag or branch: $LATEST_TAG.
+
+          See the release: https://github.com/opentdf/platform/releases/tag/protocol%2Fgo%2F$LATEST_TAG
 
-            See the release: https://github.com/opentdf/platform/releases/tag/$LATEST_TAG
+          Release Notes:
+          $RELEASE_NOTES
+          EOF
+          gh pr create \
+            --title "fix(sdk): Updates to proto version $LATEST_TAG" \
+            --body-file pr_body.txt \
+            --head update-platform-branch \
+            --base main \
 
-            Release Notes:
-            $RELEASE_NOTES
-          labels: "automated-update"