chore: upgrade .NET version from 8.0 to 9.0 in workflows and project files

Author: glebournault

.github/workflows/dotnet.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
       - name: Restore dependencies
         run: dotnet restore
       - name: Build

.github/workflows/publish.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Build on MacOS
         if: matrix.kind == 'macos'

CodeLineCounter.Tests/CodeLineCounter.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 

CodeLineCounter/CodeLineCounter.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>