Add support for adding setup-dotnet steps to sync.sh

.github/workflows/__local-bundle.yml

@@ -32,6 +32,11 @@ on:
         description: The version of Python to install
         required: false
         default: '3.13'
+      dotnet-version:
+        type: string
+        description: The version of .NET to install
+        required: false
+        default: 9.x
   workflow_call:
     inputs:
       go-version:
@@ -44,6 +49,11 @@ on:
         description: The version of Python to install
         required: false
         default: '3.13'
+      dotnet-version:
+        type: string
+        description: The version of .NET to install
+        required: false
+        default: 9.x
 defaults:
   run:
     shell: bash
@@ -85,6 +95,10 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ inputs.python-version || '3.13' }}
+      - name: Install .NET
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Fetch latest CodeQL bundle
         run: |
           wget https://github.com/github/codeql-action/releases/latest/download/codeql-bundle-linux64.tar.zst