feat: net8 support

- In `build.yml`, the `dotnet` version matrix was updated to include versions 6.x, 7.0.403, and 8.0.100. (build.yml)
- In `codeql.yml`, the `dotnet` version was updated to include versions 6.x, 7.0.403, and 8.0.100. (codeql.yml)
- In `release.yml`, the `dotnet` version was updated to include versions 6.x, 7.0.403, and 8.0.100. (release.yml)
- The `TargetFrameworks` property in `Library.targets` was updated to include the `net8.0` framework. (Library.targets)

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        dotnet: [7.0.400]
+        dotnet: [6.x, 7.0.403, 8.0.100]
     runs-on: ${{ matrix.os }}
     name: Build library
     steps:

.github/workflows/codeql.yml

@@ -30,6 +30,13 @@ jobs:
       uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
+    - name: Setup .NET
+      uses: actions/[email protected]
+      with:
+        dotnet-version: |
+          8.0.100
+          7.0.403
+          6.x
     - name: Autobuild
       uses: github/codeql-action/autobuild@v2
     - name: Perform CodeQL Analysis

.github/workflows/release.yml

@@ -29,7 +29,10 @@ jobs:
       - name: Setup .NET
         uses: actions/[email protected]
         with:
-          dotnet-version: 7.0.400
+          dotnet-version: |
+            8.0.100
+            7.0.403
+            6.x
       - name: Restore dependencies
         run: dotnet restore
       - name: Build library as full release

Targets/Library.targets

@@ -2,7 +2,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-	<TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+	<TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
 	<Nullable>enable</Nullable>
   </PropertyGroup>
 </Project>