chore(ci): Use conventional commit message for release PR (#91)

* chore(ci): Use conventional commit message for release PR

* fix: Set correct PAT on PR

.github/release-commit-message.js

@@ -0,0 +1,18 @@
+const fs = require('fs');
+
+const releasePlan = fs.readFileSync('.release-plan.json', 'utf8');
+const releasePlanJson = JSON.parse(releasePlan);
+
+const newEmberVersion = releasePlanJson.solution['@nrg-ui/ember'].newVersion;
+const newCssVersion = releasePlanJson.solution['@nrg-ui/css'].newVersion;
+
+const updatedVersions = [];
+if (newEmberVersion) {
+  updatedVersions.push(`@nrg-ui/ember@${newEmberVersion}`);
+}
+if (newCssVersion) {
+  updatedVersions.push(`@nrg-ui/css@${newCssVersion}`);
+}
+
+const commitMessage = `COMMIT_MESSAGE=release: ${updatedVersions.join(', ')}`;
+console.log(commitMessage);

.github/workflows/plan-release.yml

@@ -90,12 +90,17 @@ jobs:
         env:
           GITHUB_AUTH: ${{ secrets.RELEASE_PLAN_GH_TOKEN }}
 
+      - name: Generate commit message
+        run: node .github/release-commit-message.js >> "$GITHUB_OUTPUT"
+        id: commit-message
+
       - uses: peter-evans/create-pull-request@v6
         with:
-          commit-message: "Prepare Release using 'release-plan'"
+          commit-message: ${{ steps.commit-message.outputs.COMMIT_MESSAGE }}
           labels: 'internal'
           branch: release-preview
-          title: Prepare Release
+          title: ${{ steps.commit-message.outputs.COMMIT_MESSAGE }}
+          token: ${{ secrets.RELEASE_PLAN_GH_TOKEN }}
           body: |
             This PR is a preview of the release that [release-plan](https://github.com/embroider-build/release-plan) has prepared. To release you should just merge this PR 👍