fix: Use shared actions-common for CodeQL build setup

Reuse reactiveui/actions-common dotnet-environment and dotnet-build
actions instead of ad-hoc SDK/workload installation. This matches
the CI build pipeline and handles workloads correctly.

Author: glennawatson

.github/workflows/codeql.yml

@@ -16,26 +16,26 @@ jobs:
   analyze-csharp:
     name: Analyze C#
     runs-on: ubuntu-latest
+    env:
+      DOTNET_CLI_WORKLOAD_UPDATE_NOTIFY_DISABLE: 1
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v4
+    - name: Setup .NET Environment
+      uses: reactiveui/actions-common/.github/actions/dotnet-environment@main
       with:
-        dotnet-version: |
+        dotnet-versions: |
           8.0.x
           9.0.x
           10.0.x
-
-    - name: Install Android SDK
-      run: dotnet build src/ReactiveUI/ReactiveUI.csproj -t:InstallAndroidDependencies -f net10.0-android -p:AndroidSdkDirectory=$HOME/android-sdk -p:JavaSdkDirectory=$HOME/android-jdk -p:AcceptAndroidSDKLicenses=True
-
-    - name: Install Android SDK (net9)
-      run: dotnet build src/ReactiveUI/ReactiveUI.csproj -t:InstallAndroidDependencies -f net9.0-android -p:AndroidSdkDirectory=$HOME/android-sdk -p:JavaSdkDirectory=$HOME/android-jdk -p:AcceptAndroidSDKLicenses=True
+        src-folder: src
+        solution-file: reactiveui.slnx
+        install-workloads: 'true'
+        use-nbgv: 'false'
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
@@ -44,10 +44,12 @@ jobs:
         build-mode: manual
 
     - name: Build
-      env:
-        ANDROID_HOME: ${{ github.workspace }}/../android-sdk
-        JAVA_HOME: ${{ github.workspace }}/../android-jdk
-      run: dotnet build src/reactiveui.slnx -c Release
+      uses: reactiveui/actions-common/.github/actions/dotnet-build@main
+      with:
+        configuration: Release
+        src-folder: src
+        solution-file: reactiveui.slnx
+        create-packages: 'false'
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v4
@@ -60,7 +62,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4