Major: support for .NET 9 (#26)

* Updated target to net9.0

* Merged net8.0 and net9.0 targets

* Updated workflows

.github/workflows/codeql-analysis.yml

@@ -8,7 +8,7 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "next" ]
     paths-ignore:
       - '**.md'
       - 'LICENSE'
@@ -19,7 +19,7 @@ on:
       - '.assets/*'
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "main" ]
+    branches: [ "main", "next" ]
     paths-ignore:
       - '**.md'
       - 'LICENSE'
@@ -66,8 +66,16 @@ jobs:
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+    # - name: Autobuild
+    #   uses: github/codeql-action/autobuild@v3
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 9.0.x
+
+    - name: Build project
+      run: dotnet build
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun