chore: use 'https' protocol for .net 6.0 devfile. Update schema to the latest 2.2.2

Signed-off-by: Ilya Buziuk <[email protected]>

Author: ibuziuk

stacks/dotnet60/devfile.yaml

@@ -1,4 +1,4 @@
-schemaVersion: 2.1.0
+schemaVersion: 2.2.0
 metadata:
   name: dotnet60
   displayName: .NET 6.0
@@ -35,7 +35,8 @@ components:
         - name: ASPNETCORE_URLS
           value: http://*:8080
       endpoints:
-        - name: http-dotnet60
+        - name: https-dotnet60
+          protocol: https
           targetPort: 8080
 commands:
   - id: build