chore: add cache action

Author: ArgoZhang

.github/workflows/build.yml

@@ -19,12 +19,22 @@ jobs:
       with:
         dotnet-version: 9.0.x
 
+    - name: Cache NuGet packages
+      uses: actions/cache@v4
+      with:
+        path: ~/.nuget/packages
+        key: ${{runner.os}}-nuget-${{hashFiles('​**​/*.csproj')}}
+        restore-keys: |
+          ${{runner.os}}-nuget-
+
+    - name: Restore dependencies
+      run: dotnet restore src/BootstrapBlazor
+
     - name: Build
       env:
         NUGET_API_KEY: ${{secrets.NUGET_API_KEY}}
         Bundle: True
       run: |
-        dotnet restore src/BootstrapBlazor --no-cache
         dotnet build src/BootstrapBlazor
 
     - name: Test