update CI

.github/workflows/ci.yml

@@ -21,21 +21,21 @@ jobs:
     steps:
     - uses: actions/checkout@af513c7a016048ae468971c52ed77d9562c7c819
 
-    - name: Setup dotnet (main)
+    - name: Setup net6
+      uses: actions/setup-dotnet@v1
+      with:
+          dotnet-version: '6.0.x'
+
+    - name: Setup net5
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '5.0.x'
 
-    - name: Setup dotnet (testing netcore3)
+    - name: Setup net3
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '3.1.x'
 
-    - name: Setup dotnet (testing netcore2)
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: '2.1.x'
-
     - run: dotnet --info
 
     - if: contains(matrix.runs-on, 'macOS') || contains(matrix.runs-on, 'ubuntu')

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "5.0.100",
+    "version": "6.0.100",
     "rollForward": "latestMajor",
     "allowPrerelease": false
   }