update workflows/main.yml

Author: superboyiii

.github/workflows/main.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
 
 env:
-  DOTNET_VERSION: 9.0.102
+  DOTNET_VERSION: 9.0.203
   DOTNET_TEST_PARAMETERS: --no-build /p:CollectCoverage=true -l "console;verbosity=detailed"
   COVERLET_EXCLUDE_COVERAGE: /p:Exclude=\"[Neo.SmartContract.TestEngine]*,[Neo.Disassembler.CSharp]*,[Neo.Compiler.CSharp.UnitTests]*,[Neo]*,[Neo.IO]*,[Neo.Json]*,[Neo.VM]*,[Neo.Extensions]*,[Neo.Cryptography.BLS12_381]*\"
   COVERLET_OUTPUT: /p:CoverletOutput=${{ github.workspace }}/coverage-join/