Update non-major netty dependencies to v4.2.12.Final (#1484)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -47,7 +47,7 @@ mockito = "5.21.0"
 mqtt-sn-codec = "838f51d691"
 mssql = "12.10.2.jre11"
 mtconnect-protocol = "1.0.0"
-netty = "4.2.10.Final"
+netty = "4.2.12.Final"
 nullaway = "0.13.1"
 pmd = "6.55.0"
 postgresql = "42.7.10"