refactor: switch between and after samples for add-prefix-to-server to avoid confusion

Author: b41ex

test/projects/changelog/add-prefix-to-server/after.yaml

@@ -3,7 +3,7 @@ info:
   title: test
   version: 0.1.0
 servers:
-  - url: https://example2.com
+  - url: https://example1.com/api/v2
     description: It is a description of server
 paths:
   /path1:

test/projects/changelog/add-prefix-to-server/before.yaml

@@ -3,7 +3,7 @@ info:
   title: test
   version: 0.1.0
 servers:
-  - url: https://example1.com/api/v2
+  - url: https://example2.com
     description: It is a description of server
 paths:
   /path1: