[Enhancement] change release version to 2.6.1 (#713)

Some issues have been fixed since the last release, so there is a need to release with a patch version.

Author: dudantas

src/core.hpp

@@ -11,7 +11,7 @@
 #define SRC_CORE_HPP_
 
 static constexpr auto STATUS_SERVER_NAME = "Canary";
-static constexpr auto STATUS_SERVER_VERSION = "2.6.0";
+static constexpr auto STATUS_SERVER_VERSION = "2.6.1";
 static constexpr auto STATUS_SERVER_DEVELOPERS = "OpenTibiaBR Organization";
 
 static constexpr auto AUTHENTICATOR_DIGITS = 6U;