Merge branch 'ci/use_github_on_macos_runners' into 'release/v5.1'

ci: use github repo for mac runners

See merge request espressif/esp-idf!30949

.gitlab/ci/build.yml

@@ -662,6 +662,7 @@ build_clang_test_apps_esp32c6:
   needs:
     - job: fast_template_app
       artifacts: false
+      optional: true
   script:
     - ${IDF_PATH}/tools/ci/test_configure_ci_environment.sh
     - rm -rf test_build_system
@@ -683,6 +684,18 @@ test_build_system_cmake_macos:
     - macos_shell
   variables:
     SHELL_TEST_SCRIPT: test_build_system_cmake.sh
+  script:
+    - ${IDF_PATH}/tools/ci/test_configure_ci_environment.sh
+    - rm -rf test_build_system
+    - mkdir test_build_system
+    - cd test_build_system
+    # copy-paste the script from .test_build_system_template
+    # since `ESP_IDF_TEMPLATE_GIT` is a group variable and has higher precedence than job variable
+    # export here to override the group variable
+    #
+    # Clone the template app from github for macos runners
+    - export ESP_IDF_TEMPLATE_GIT="https://github.com/espressif/esp-idf-template.git"
+    - ${IDF_PATH}/tools/ci/${SHELL_TEST_SCRIPT}
 
 test_build_system_spaces:
   extends: .test_build_system_template