Move bench CI to different file

This way workflow runs only on PRs that relevant to bench build

.github/workflows/build_bench.yml

@@ -0,0 +1,44 @@
+name: Bench
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - build/bench/**
+      - docker-bake.hcl
+
+  schedule:
+    # Every day at 12:00 pm
+    - cron: 0 0 * * *
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build and test
+        uses: docker/bake-action@v1.6.0
+        with:
+          targets: bench-test
+
+      - name: Login
+        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Push
+        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
+        uses: docker/bake-action@v1.6.0
+        with:
+          targets: bench
+          push: true

.github/workflows/build_develop.yml

@@ -1,4 +1,4 @@
-name: Build Develop
+name: Develop build
 
 on:
   pull_request:
@@ -21,36 +21,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  build_bench:
+  build:
-    name: Bench
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Setup Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Build and test
-        uses: docker/bake-action@v1.6.0
-        with:
-          targets: bench-test
-
-      - name: Login
-        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Push
-        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
-        uses: docker/bake-action@v1.6.0
-        with:
-          targets: bench
-          push: true
-
-  build_main:
     name: Frappe and ERPNext
     uses: vrslev/frappe_docker/.github/workflows/docker-build-push.yml@beautify
     with:

.github/workflows/build_stable.yml

@@ -1,4 +1,4 @@
-name: Build Stable
+name: Stable build
 
 on:
   pull_request: