REMOVE: focus on prerelease

.github/workflows/focus.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+    paths-ignore:
+      - '**/*.md'
+      - 'doc/*.rst'
+
+jobs:
+  build-ros-prerelease:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: ros industrial-ci
+      uses: './'
+      env:
+        ROS_DISTRO: iron
+        ROS_REPO: main
+        PRERELEASE: true
+  isolated:
+    env:
+      ISOLATION: shell
+    strategy:
+      fail-fast: false
+      matrix:
+        env:
+          - {ROS_DISTRO: noetic, PRERELEASE: true, UBUNTU: 20.04}
+          - {ROS_DISTRO: humble, PRERELEASE: true, UBUNTU: 22.04, TARGET_WORKSPACE: ". github:ros-controls/control_msgs#galactic-devel"}
+    runs-on: ubuntu-${{matrix.env.UBUNTU}}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: './'
+        env: ${{matrix.env}}