Update VSIX job in unit tests workflow

Author: christianhelle

.github/workflows/unit-tests.yml

@@ -67,13 +67,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Restore
-      run: dotnet restore VSIX.sln
-      working-directory: src
-
     - name: Setup MSBuild.exe
       uses: microsoft/setup-msbuild@v2
 
+    - name: Restore
+      run: msbuild VSIX.sln -t:Restore
+      working-directory: src
+
     - name: Build
       run: msbuild VSIX.sln /property:Configuration=Release /t:Rebuild
       working-directory: src