binskim: skip analyzing some dependencies (#10917)

* Exclude dependencies triggering binskim

* use backslash in globs

Author: jviau

eng/ci/templates/official/jobs/build-artifacts-windows.yml

@@ -13,6 +13,9 @@ jobs:
     windows_drop_path: $(drop_path)/windows
 
   templateContext:
+    sdl:
+      binskim:
+        analyzeTargetGlob: "+:f|$(drop_path)\\**\\*.dll;+:f|$(drop_path)\\**\\*.exe;-:f|$(drop_path)\\**\\*MonoPosixHelper.dll;-:f|$(drop_path)\\**\\FunctionsNetHost.exe;-:f|$(drop_path)\\**\\grpc_csharp_ext.*.dll"
     outputParentDirectory: $(drop_path)
     outputs:
     - output: pipelineArtifact