[TEP-1837] Update github runner labels

This commit changes our selfhosted github runner labels to our new
dynamic nodes

Change-Id: I36487f2108c7332a3ded1ee959a110c86a6a6964

Author: Guilvareux

.github/workflows/atfe_nightly_build_and_test.yml

@@ -47,7 +47,7 @@ jobs:
             test_script: ''
             install_script: install_dependencies.ps1
             target_os: Windows-2022-x86_64
-            runner: ToolchainGroup_LargeRunner_Windows-x64
+            runner: ah-windows_2022-c7a_24x-200
 
           - build_script: build.sh
             test_script: test.sh