Auto PR - main → MAPL-v3 - Add push-to-main to CI for MAPL3 work

.github/PULL_REQUEST_TEMPLATE/auto_pr_to_mapl3.md

@@ -0,0 +1,10 @@
+## :memo:  Automatic PR: `main` → `release/MAPL-v3`
+
+### Description
+
+<!-- Write your description here -->
+
+## :file_folder:  Modified files
+<!-- Diff files - START -->
+<!-- Diff files - END -->
+

.github/workflows/push-to-main.yml

@@ -0,0 +1,30 @@
+name: Push to Main
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  pull_request:
+    name: Create Pull Request
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3.3.0
+        with:
+          fetch-depth: 0
+      - name: Run the action
+        uses: devops-infra/action-pull-request@v0.5.5
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          source_branch: main
+          target_branch: release/MAPL-v3
+          label: automatic,MAPL3,Skip Changelog
+          template: .github/PULL_REQUEST_TEMPLATE/auto_pr_to_mapl3.md
+          get_diff: true
+          assignee: ${{ github.actor }}
+          old_string: "<!-- Write your description here -->"
+          new_string: ${{ github.event.commits[0].message }}
+          title: Auto PR - main → MAPL-v3 - ${{ github.event.commits[0].message }}
+

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Add CI step to make PR to MAPL3 on push to `main`
+
 ### Changed
 
 ### Fixed