Automate merging of dependabot PRs to dep branch (#3857)

* add auto sync and merge workflows

* misc update

---------

Co-authored-by: sandeep <8293321+ehsandeep@users.noreply.github.com>

.github/dependabot.yml

@@ -11,7 +11,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-    target-branch: "dev"
+    target-branch: "dep"
     commit-message:
       prefix: "chore"
       include: "scope"
@@ -23,7 +23,7 @@ updates:
     directory: "v2/"
     schedule:
       interval: "weekly"
-    target-branch: "dev"
+    target-branch: "dep"
     commit-message:
       prefix: "chore"
       include: "scope"
@@ -35,7 +35,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-    target-branch: "dev"
+    target-branch: "dep"
     commit-message:
       prefix: "chore"
       include: "scope"

.github/workflows/auto-merge.yml

@@ -0,0 +1,25 @@
+name: 🤖 dep auto merge
+
+on:
+  pull_request:
+    branches:
+      - dep
+  workflow_dispatch:
+
+permissions:
+  pull-requests: write
+  issues: write
+  repository-projects: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.DEPENDABOT_PAT }}
+
+      - uses: ahmadnassri/action-dependabot-auto-merge@v2
+        with:
+          github-token: ${{ secrets.DEPENDABOT_PAT }}
+          target: all

.github/workflows/sync-dep.yml

@@ -0,0 +1,30 @@
+name: 🤖 sync dep
+
+on:
+  push:
+    branches:
+      - dev
+
+permissions:
+  pull-requests: write
+  issues: write
+  repository-projects: write
+
+jobs:
+  sync-dep-with-dev:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 12
+
+      - name: Opening pull request
+        id: pull
+        uses: tretuna/sync-branches@1.4.0
+        with:
+          GITHUB_TOKEN: ${{ secrets.DEPENDABOT_PAT }}
+          FROM_BRANCH: "${{ github.ref_name }}"
+          TO_BRANCH: "dep"