Update Build.yml

Bump seanmiddleditch/gha-setup-vsdevenv to V5 to resolve a set-output warning message on RC branch,

Author: BlueFinBima

.github/workflows/Build.yml

@@ -61,7 +61,7 @@ jobs:
         uses: microsoft/setup-msbuild@v2
 
       - name: Setup VS Dev Environment
-        uses: seanmiddleditch/gha-setup-vsdevenv@v4
+        uses: seanmiddleditch/gha-setup-vsdevenv@v5
 
       - name: Navigate to Workspace
         run: cd $GITHUB_WORKSPACE