Fix .NET 8 targets

Author: dubiousconst282

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build Solution
       run: |

src/DistIL.OptimizerTask/DistIL.OptimizerTask.targets

@@ -26,7 +26,7 @@
 
     <Exec
       WorkingDirectory="$(TargetDir)"
-      Command='dotnet "$(MSBuildThisFileDirectory)../tools/net7.0/DistIL.Cli.dll" -i "$(InputAsmPath)" $(ResolverPathsArg) $(FilterUnmarkedArg) $(DistilExtraArgs)'
+      Command='dotnet "$(MSBuildThisFileDirectory)../tools/net8.0/DistIL.Cli.dll" -i "$(InputAsmPath)" $(ResolverPathsArg) $(FilterUnmarkedArg) $(DistilExtraArgs)'
     />
     <Touch Files="@(IntermediateAssembly -> '%(Identity).bak')" />
   </Target>