Update CodeQL workflow to include .NET setup

Author: t1m0thyj

.github/workflows/codeql.yml

@@ -30,6 +30,11 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v5
 
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 10.0.x
+
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
       with:
@@ -44,3 +49,4 @@ jobs:
       uses: github/codeql-action/analyze@v4
       with:
         category: "/language:${{matrix.language}}"
+