Don't use patch version for actions

Author: linkdotnet

.github/workflows/dotnet.yml

@@ -16,9 +16,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3.1.0
+    - uses: actions/checkout@v3
     - name: Setup .NET
-      uses: actions/setup-dotnet@v3.0.3
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: | 
           6.0.x