chore(deps): update microsoft/setup-msbuild digest to 70b7034 (#1704)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -78,7 +78,7 @@ jobs:
         dotnet workload list
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@31e0ba28c780f4bd10cfc8075d1fff655386e214
+      uses: microsoft/setup-msbuild@70b70342ae97ca98d5eaad06cafd26d30f9592a9
 
     # This mitigates an issue with websdk projects loading analyzers from old packages.
     - name: Cleanup nuget local storage

.github/workflows/codeql-analysis.yml

@@ -99,7 +99,7 @@ jobs:
         dotnet workload install android ios tvos macos maui
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@31e0ba28c780f4bd10cfc8075d1fff655386e214
+      uses: microsoft/setup-msbuild@70b70342ae97ca98d5eaad06cafd26d30f9592a9
 
     # This mitigates an issue with websdk projects loading analyzers from old packages.
     - name: Cleanup nuget local storage