Update build SDK to net 8

Author: wasabii

.github/workflows/IKVM.Core.yml

@@ -32,6 +32,10 @@ jobs:
       uses: actions/setup-dotnet@v3
       with:
         dotnet-version: 7.0.x
+    - name: Setup .NET 8.0
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
     - name: Install GitVersion
       uses: gittools/actions/gitversion/[email protected]
       with:
@@ -108,10 +112,10 @@ jobs:
       uses: actions/checkout@v3
       with:
         fetch-depth: 0
-    - name: Setup .NET 7.0
+    - name: Setup .NET 8.0
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
     - name: Install GitVersion
       uses: gittools/actions/gitversion/[email protected]
       with:

global.json

@@ -1,9 +1,9 @@
 {
     "sdk": {
-        "version": "7.0.100",
+        "version": "8.0.100",
         "rollForward": "latestFeature"
     },
     "msbuild-sdks": {
-        "Microsoft.Build.NoTargets": "3.7.0"
+        "Microsoft.Build.NoTargets": "3.7.56"
     }
 }