chore(ci): allow skipping specific CI runs for PRs (#6691)

.github/workflows/build_fw.yml

@@ -29,6 +29,9 @@ jobs:
   test:
     name: Run tests
     runs-on: ubuntu-latest
+    if: |
+      github.event_name != 'pull_request' ||
+      !contains(github.event.pull_request.labels.*.name, 'ci: skip-fw')
     strategy:
       matrix:
         target:
@@ -79,6 +82,9 @@ jobs:
     name: Run builds
     needs: test
     runs-on: ubuntu-latest
+    if: |
+      github.event_name != 'pull_request' ||
+      !contains(github.event.pull_request.labels.*.name, 'ci: skip-fw')
     strategy:
       matrix:
         target:

.github/workflows/linux_cpn.yml

@@ -28,6 +28,9 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: |
+      github.event_name != 'pull_request' ||
+      !contains(github.event.pull_request.labels.*.name, 'ci: skip-cpn-linux')
     container:
       image: ghcr.io/edgetx/edgetx-dev:latest
       volumes:

.github/workflows/macosx_cpn.yml

@@ -28,12 +28,10 @@ env:
 
 jobs:
   build:
-    # The CMake configure and build commands are platform agnostic and should work equally
-    # well on Windows or Mac.  You can convert this to a matrix build if you need
-    # cross-platform coverage.
-    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: macos-13
-
+    if: |
+      github.event_name != 'pull_request' ||
+      !contains(github.event.pull_request.labels.*.name, 'ci: skip-cpn-macos')
     steps:
       - name: Select XCode version
         uses: maxim-lobanov/setup-xcode@v1

.github/workflows/win_cpn-64.yml

@@ -33,11 +33,10 @@ env:
 
 jobs:
   build:
-    # The CMake configure and build commands are platform agnostic and should work equally
-    # well on Windows or Mac.  You can convert this to a matrix build if you need
-    # cross-platform coverage.
-    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: windows-2022
+    if: |
+      github.event_name != 'pull_request' ||
+      !contains(github.event.pull_request.labels.*.name, 'ci: skip-cpn-win')
     defaults:
       run:
         shell: bash