[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

example/connection/udpserver.cpp

@@ -175,7 +175,7 @@ class ClientSessionManager {
         size_t bytes_received{0};
 
         ClientSession() : last_seen(std::chrono::steady_clock::now()) {}
-        
+
         ClientSession(const std::string& ep)
             : endpoint(ep), last_seen(std::chrono::steady_clock::now()) {}
     };