ENH: Set default branch name to main in Build, test, package action

Set default branch name to `main` in `Build, test, package` action.

Author: jhlegarreta

.github/workflows/build-test-package.yml

@@ -90,8 +90,8 @@ jobs:
         file(TO_CMAKE_PATH "\$ENV{GITHUB_WORKSPACE}/../Evaluated/ITKModuleTemplate" CTEST_SOURCE_DIRECTORY)
         file(TO_CMAKE_PATH "\$ENV{GITHUB_WORKSPACE}/../build" CTEST_BINARY_DIRECTORY)
         set(dashboard_source_name "${GITHUB_REPOSITORY}")
-        if(ENV{GITHUB_REF} MATCHES "master")
-          set(branch "-master")
+        if(ENV{GITHUB_REF} MATCHES "main")
+          set(branch "-main")
           set(dashboard_model "Continuous")
         else()
           set(branch "-${GITHUB_REF}")