windows pool upgraded to 2022

Author: Mansoor Sarfraz

.azure-pipelines/templates/variables.yml

@@ -1,7 +1,7 @@
 variables:
   ubuntu_pool: 'pool-ubuntu-2204'
   ubuntu_multi_core_pool: 'pool-ubuntu-latest-multi-core'
-  windows_pool: 'pool-windows-2019'
+  windows_pool: 'pool-windows-2022'
   ubuntu_arm64_pool: 'pool-ubuntu-latest-arm64'
   macos_pool: 'macOS-14'
   macos_intel_pool: 'macOS-15'