Update dependencies

Author: Tarmil

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '6.0.203'
           include-prerelease: true
 
       - name: NuGet cache
@@ -49,7 +49,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '6.0.203'
           include-prerelease: true
 
       - name: Download nupkg
@@ -74,7 +74,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '6.0.203'
           include-prerelease: true
 
       - name: Prepare