Convert ADO pipelines to GitHub actions

.github/workflows/regression_test.yml

@@ -0,0 +1,19 @@
+name: regression_test
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  workflow_dispatch:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  run_tests:
+    uses: ./.github/workflows/regression_template.yml@master
+    with:
+      build_script: ./scripts/build_tx.sh
+      test_script: ./scripts/test_tx.sh
+      cmake_path: ./test/tx