Update azure-sdk-build-tools Repository Resource Refs in Yaml files (#49696)

Co-authored-by: azure-sdk <azuresdk@microsoft.com>

Author: azure-sdk-automation[bot]

eng/pipelines/templates/stages/1es-redirect.yml

@@ -11,7 +11,7 @@ resources:
     - repository: azure-sdk-build-tools
       type: git
       name: internal/azure-sdk-build-tools
-      ref: refs/tags/azure-sdk-build-tools_20260112.5
+      ref: refs/tags/azure-sdk-build-tools_20260702.2
 
 parameters:
 - name: stages