Update log4j2 monorepo to v2.26.0 (#131)

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

Author: renovate[bot]

build.gradle

@@ -166,7 +166,7 @@ repositories {
 }
 
 ext {
-  log4JVersion = "2.25.4"
+  log4JVersion = "2.26.0"
   lombokVersion = "1.18.46"
   junitVersion = "5.12.2"
   powermockVersion = '2.0.9'