Upgrade to Apache Log4j 2.19.0.

Author: jxblum

gradle/dependency-management.gradle

@@ -4,7 +4,7 @@ ext['jakartaServletJspJstlApiVersion'] = '1.2.7'
 ext['apacheTaglibsVersion'] = '1.2.5'
 ext['assertjVersion'] = '3.23.1'
 ext['findbugsVersion'] = '3.0.2'
-ext['log4jVersion'] = '2.17.2'
+ext['log4jVersion'] = '2.19.0'
 // Logback version is currently constrained by tbe Gretty Gradle Plugin.
 // See: https://github.com/gretty-gradle-plugin/gretty/blob/v4.0.0/gradle.properties#L16
 ext['logbackVersion'] = '1.2.3'