update to log4j 2.16.0, xbib-netty 4.1.72.0

gradle.properties

@@ -1,16 +1,16 @@
 group = org.xbib
 name = elx
-version = 7.10.2.18
+version = 7.10.2.19
 
 org.gradle.warning.mode = ALL
 gradle.wrapper.version = 7.3
-xbib-metrics.version = 2.2.0
-xbib-time.version = 2.1.0
 elasticsearch.version = 7.10.2
 # ES 7.10.2 uses Jackson 2.10.4
 jackson.version = 2.12.5
 # ES 7.10.2 uses Netty 4.1.49
-xbib-netty-http.version = 4.1.70.0
+xbib-netty-http.version = 4.1.72.0
 # ES 7.10.2 uses log4j2 2.11.1
-log4j.version = 2.15.0
+log4j.version = 2.16.0
+xbib-metrics.version = 2.2.0
+xbib-time.version = 2.1.0
 junit.version = 5.8.1