Fix

.github/workflows/osx.yml

@@ -21,12 +21,10 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '2.1.x'
-    - uses: actions/checkout@v2
     - name: Setup .NET 3.1
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '3.1.x'
-    - uses: actions/checkout@v2
     - name: Setup .NET 5.0
       uses: actions/setup-dotnet@v1
       with:

.github/workflows/ubuntu.yml

@@ -21,12 +21,10 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '2.1.x'
-    - uses: actions/checkout@v2
     - name: Setup .NET 3.1
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '3.1.x'
-    - uses: actions/checkout@v2
     - name: Setup .NET 5.0
       uses: actions/setup-dotnet@v1
       with: