Add manual and cron triggers, set proper CDash groups (#363)

I can't fully test this until this gets merged to 'master' but this should be
close.

.github/workflows/tribits_testing.yml

@@ -4,11 +4,17 @@ name: TriBITS Testing
 # Triggers the workflow on push or pull request
 # for the master and develop branch
 on:
+  schedule:
+    - cron: '10  0  *  *  *' # Run 10 minutes after midnight
   push:
     branches: [ master ]
   pull_request:
     branches: [ master ]
-
+  workflow_dispatch:
+    inputs:
+      ctest_build_name:
+        description: 'CTEST_BUILD_NAME'
+        required: false
 jobs:
   build:
     strategy:

cmake/ctest/github_actions/run_github_actions_ctest_driver.sh

@@ -126,6 +126,7 @@ assert_required_option_set --python-ver "${python_ver}"
 assert_required_option_set --cxx-compiler-and-ver "${cxx_compiler_and_ver}"
 # NOTE: Fortran is not required!
 
+
 #
 # B) Set up options for running build
 #
@@ -158,6 +159,18 @@ fi
 export CTEST_CMAKE_GENERATOR
 echo "CTEST_CMAKE_GENERATOR = '${CTEST_CMAKE_GENERATOR}'"
 
+# CTEST_TEST_TYPE
+if [[ "${GITHUB_EVENT_NAME}" == "schedule" ]]; then
+  CTEST_TEST_TYPE=Nightly
+elif [[ "${GITHUB_EVENT_NAME}" == "push" ]]; then
+  CTEST_TEST_TYPE=Continuous
+else
+  CTEST_TEST_TYPE=Experimental
+fi
+export CTEST_TEST_TYPE
+echo "CTEST_TEST_TYPE = '${CTEST_TEST_TYPE}'"
+
+
 #
 # C) Run the local configure, build, test and submit using exported vars above
 #