feat(gateway): stage updated package.json and CHANGELOG.md in release workflow

Author: Lasim

.github/workflows/gateway-release-pr.yml

@@ -70,6 +70,11 @@ jobs:
           TYPE_ARG: ${{ fromJSON('{"patch":"patch", "minor":"minor", "major":"major"}')[github.event.inputs.type] }}
           BETA_ARG: ${{ github.event.inputs.beta == 'true' && '--preRelease=beta' || '' }}
         run: npm run release -- $TYPE_ARG --ci --verbose --no-git.push --no-git.commit --no-git.tag --no-github --no-npm --no-git.requireCleanWorkingDir $BETA_ARG
+      - name: Stage package.json changes
+        working-directory: services/gateway
+        run: |
+          # Stage the updated package.json and CHANGELOG.md
+          git add package.json CHANGELOG.md
       - name: Update version.ts file
         working-directory: services/gateway
         run: |