gitlab-ci: Simplify macOS packaging jobs

Run cpack in a post-build step instead of duplicating the job script.

.gitlab-ci.yml

@@ -914,7 +914,7 @@ t:macos-arm64-xcode:
 b:macos-package:
     extends:
         - .macos_package
-        - .cmake_build_macos_package
+        - .cmake_build_macos
         - .cmake_release_artifacts
         - .macos_x86_64_tags_package
         - .run_only_for_package
@@ -937,7 +937,7 @@ u:macos-package:
 b:macos10.10-package:
     extends:
         - .macos10.10_package
-        - .cmake_build_macos_package
+        - .cmake_build_macos
         - .cmake_release_artifacts
         - .macos_x86_64_tags_package
         - .run_only_for_package

.gitlab/ci/package_macos.sh

@@ -0,0 +1,3 @@
+cd build
+cpack -G TGZ
+cpack -G DragNDrop

.gitlab/ci/post_build_macos10.10_package.sh

@@ -0,0 +1 @@
+. .gitlab/ci/package_macos.sh

.gitlab/ci/post_build_macos_package.sh

@@ -0,0 +1 @@
+. .gitlab/ci/package_macos.sh

.gitlab/os-macos.yml

@@ -162,19 +162,6 @@
 
     interruptible: true
 
-.cmake_build_macos_package:
-    stage: build
-
-    script:
-        - *before_script_macos
-        - ctest -VV -S .gitlab/ci/ctest_configure.cmake
-        - ctest -VV -S .gitlab/ci/ctest_build.cmake
-        - cd build
-        - cpack -G TGZ
-        - cpack -G DragNDrop
-
-    interruptible: true
-
 .cmake_test_macos:
     stage: test