chore(deps): Update dependency dev.kord:kord-core to v0.18.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -21,7 +21,7 @@ immutables = "2.11.6"
 javacord = "3.8.0"
 jda6 = "6.1.0"
 logback = "1.5.20"
-kord = "0.14.0"
+kord = "0.18.1"
 kotlinLogging = "7.0.13"
 discord4j = "3.2.6"
 slf4j = "2.0.17"