Add CI item for a non-unity build

Author: azrogers

.github/workflows/build.yml

@@ -288,6 +288,21 @@ jobs:
       cmake-platform: "x64,version=10.0.22621.0"
       visual-studio-version: "2022"
       visual-studio-components: "Microsoft.VisualStudio.Component.VC.14.38.17.8.x86.x64,Microsoft.VisualStudio.Component.Windows11SDK.22621"
+  Windows56NonUnityBuild:
+    uses: ./.github/workflows/buildWindows.yml
+    secrets: inherit
+    with:
+      runner-label: "windows-2022"
+      unreal-unity-build: false
+      unreal-engine-version: "5.6.0"
+      unreal-engine-zip: "s3://cesium-unreal-engine/5.6.0/UE_5.6.zip"
+      unreal-program-name: "UE_5.6"
+      upload-package-base-name: "CesiumForUnreal-56-windows"
+      cmake-generator: "Visual Studio 17 2022"
+      cmake-toolchain: "version=14.38"
+      cmake-platform: "x64,version=10.0.22621.0"
+      visual-studio-version: "2022"
+      visual-studio-components: "Microsoft.VisualStudio.Component.VC.14.38.17.8.x86.x64,Microsoft.VisualStudio.Component.Windows11SDK.22621"
   TestWindows56:
     needs: [Windows56]
     uses: ./.github/workflows/testWindows.yml

.github/workflows/buildWindows.yml

@@ -45,6 +45,10 @@ on:
         required: false
         type: string
         default: "x64"
+      unreal-unity-build:
+        required: false
+        type: boolean
+        default: true
 jobs:
   build:
     runs-on: ${{ inputs.runner-label }}
@@ -122,6 +126,7 @@ jobs:
             <Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
               <BuildConfiguration>
                 <MaxParallelActions>2</MaxParallelActions>
+                <bUseUnityBuild>${{ inputs.unreal-unity-build }}</bUseUnityBuild>
               </BuildConfiguration>
               <SourceFileWorkingSet><Provider>None</Provider></SourceFileWorkingSet>
             </Configuration>'