update user/repos api description (#16503)

Currently states 

> List the repos that the authenticated user owns or has access to

but the endpoint does not list all repos a user has access to, only the ones a user owns

(Also verified and discussed in Discord)

Fixes #16502

templates/swagger/v1_json.tmpl

@@ -11052,7 +11052,7 @@
         "tags": [
           "user"
         ],
-        "summary": "List the repos that the authenticated user owns or has access to",
+        "summary": "List the repos that the authenticated user owns",
         "operationId": "userCurrentListRepos",
         "parameters": [
           {