Update source analysis pool to VSEng-MicroBuildVSStable (#1129)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 8f06b376-971a-49e4-984c-0bf29c1013ed

Author: bschnurr

build/azure-devdiv-pipeline.pre-release.yml

@@ -103,7 +103,7 @@ extends:
   template: azure-pipelines/MicroBuild.1ES.Official.yml@MicroBuildTemplate
   parameters:
     sdl:
-      sourceAnalysisPool: VSEngSS-MicroBuild2022-1ES
+      sourceAnalysisPool: VSEng-MicroBuildVSStable
       codeSignValidation:
         enabled: true
       sbom:

build/azure-devdiv-pipeline.stable.yml

@@ -98,7 +98,7 @@ extends:
   template: azure-pipelines/MicroBuild.1ES.Official.yml@MicroBuildTemplate
   parameters:
     sdl:
-      sourceAnalysisPool: VSEngSS-MicroBuild2022-1ES
+      sourceAnalysisPool: VSEng-MicroBuildVSStable
       codeSignValidation:
         enabled: true
       sbom: