chore: format proto file

Signed-off-by: Kensei Nakada <[email protected]>

api/envoy/extensions/filters/http/api_key_auth/v3/api_key_auth.proto

@@ -32,17 +32,19 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 //
 message APIKeyAuth {
   // keys used to authenticate the client.
-  // It should be a map of clientID to apiKey. 
+  // It should be a map of clientID to apiKey.
   // The clientID serves solely for identification purposes and isn't used for authentication.
   config.core.v3.DataSource keys = 1 [(udpa.annotations.sensitive) = true];
 
   // The header name to fetch the key.
   // If multiple values are present in the given header, the filter rejects the request.
   // Only one of authentication_header, authentication_query, or authentication_cookie should be set.
   string authentication_header = 2;
+
   // The query parameter name to fetch the key.
   // Only one of authentication_header, authentication_query, or authentication_cookie should be set.
   string authentication_query = 3;
+
   // The cookie name to fetch the key.
   // Only one of authentication_header, authentication_query, or authentication_cookie should be set.
   string authentication_cookie = 4;
@@ -53,5 +55,5 @@ message APIKeyAuth {
 message APIKeyAuthPerRoute {
   // The API key auth configuration to use for this route.
   // Leave this empty to disable API key auth for this route.
-  APIKeyAuth api_key_auth = 1
+  APIKeyAuth api_key_auth = 1;
 }