Update target framework from net7 to net8.

Author: Konard

.github/workflows/csharp.yml

@@ -24,7 +24,7 @@ jobs:
           submodules: true
       - name: Test
         run: |
-          dotnet test -c Release -f net7
+          dotnet test -c Release -f net8
   pushNuGetPackageToGitHubPackageRegistry:
     needs: test
     runs-on: ubuntu-latest

csharp/Platform.RegularExpressions.Transformer.CSharpToCpp.Tests/Platform.RegularExpressions.Transformer.CSharpToCpp.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7</TargetFramework>
+    <TargetFramework>net8</TargetFramework>
     <IsPackable>false</IsPackable>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>

csharp/Platform.RegularExpressions.Transformer.CSharpToCpp/Platform.RegularExpressions.Transformer.CSharpToCpp.csproj

@@ -6,7 +6,7 @@
     <AssemblyTitle>Platform.RegularExpressions.Transformer.CSharpToCpp</AssemblyTitle>
     <VersionPrefix>0.3.0</VersionPrefix>
     <Authors>Konstantin Diachenko</Authors>
-    <TargetFramework>net7</TargetFramework>
+    <TargetFramework>net8</TargetFramework>
     <AssemblyName>Platform.RegularExpressions.Transformer.CSharpToCpp</AssemblyName>
     <PackageId>Platform.RegularExpressions.Transformer.CSharpToCpp</PackageId>
     <PackageTags>LinksPlatform;RegularExpressions.Transformer.CSharpToCpp;CSharpToCppTransformer</PackageTags>
@@ -23,10 +23,7 @@
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <LangVersion>latest</LangVersion>
-    <PackageReleaseNotes>.NET 5 support is added.
-Updated dependencies:
-Platform.RegularExpressions.Transformer from 0.3.3 to 0.3.4
-Microsoft.NETFramework.ReferenceAssemblies from 1.0.0 to 1.0.2.</PackageReleaseNotes>
+    <PackageReleaseNotes>Update target framework from net7 to net8.</PackageReleaseNotes>
     <Nullable>enable</Nullable>
   </PropertyGroup>