bump log4j version

mr-c · mr-c · commit 9444d7ec1532 · 2021-12-18T12:07:16.000+01:00
diff --git a/pom.xml b/pom.xml
@@ -28,6 +28,7 @@
 		<ver.jsonldjava>0.13.4</ver.jsonldjava>
 		<ver.jackson>2.13.0</ver.jackson>
 		<!-- END -->
+		<log4j2.version>2.17.0</log4j2.version>
 	</properties>
 
 	<repositories>
