build: add restore step to format

.github/workflows/dotnet-format.yml

@@ -2,28 +2,43 @@ name: dotnet format
 
 on:
   push:
-    branches: [ 'main*', 'instrumentation*', 'exporter*', 'extensions*' ]
+    branches:
+      [
+        'main*',
+        'instrumentation*',
+        'exporter*',
+        'extensions*'
+      ]
     paths:
-    - '**.cs'
-    - '.editorconfig'
+      - '**.cs'
+      - '.editorconfig'
   pull_request:
-    branches: [ 'main*', 'instrumentation*', 'exporter*', 'extensions*' ]
+    branches:
+      [
+        'main*',
+        'instrumentation*',
+        'exporter*',
+        'extensions*'
+      ]
     paths:
-    - '**.cs'
-    - '.editorconfig'
+      - '**.cs'
+      - '.editorconfig'
 
 jobs:
   check-format:
     runs-on: windows-latest
 
     steps:
-    - name: check out code
-      uses: actions/checkout@v3
+      - name: check out code
+        uses: actions/checkout@v3
 
-    - name: Install .NET 7 SDK
-      uses: actions/[email protected]
-      with:
-        dotnet-version: '7.0.x'
+      - name: Install .NET 7 SDK
+        uses: actions/[email protected]
+        with:
+          dotnet-version: '7.0.x'
 
-    - name: dotnet format
-      run: dotnet format .\opentelemetry-dotnet-contrib.sln --no-restore --verify-no-changes
+      - name: dotnet restore
+        run: dotnet restore
+
+      - name: dotnet format
+        run: dotnet format .\opentelemetry-dotnet-contrib.sln --no-restore --verify-no-changes