Update to .NET 9

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          global-json-file: global.json
 
       - name: Build
         run: dotnet publish DepotDownloader/DepotDownloader.csproj -c ${{ matrix.configuration }} -o artifacts /p:ContinuousIntegrationBuild=true

.github/workflows/sk2-ci.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          global-json-file: global.json
 
       - name: Configure NuGet
         run: |

DepotDownloader/DepotDownloader.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <RollForward>LatestMajor</RollForward>
     <Version>2.7.1</Version>

global.json

@@ -1,6 +1,7 @@
 {
   "sdk": {
-    "version": "8.0.100",
+    "version": "9.0.100-rc.1.24452.12",
-    "rollForward": "latestMinor"
+    "rollForward": "latestMinor",
+    "allowPrerelease": true
   }
 }