log4j 2.17 (#929)

Fix for potential DoS attack:

https://nvd.nist.gov/vuln/detail/CVE-2021-45105

dependencies.properties

@@ -17,11 +17,11 @@ com.typesafe:config = 1.4.1
 io.micrometer:micrometer-core = 1.7.5
 javax.inject:javax.inject = 1
 nl.jqno.equalsverifier:equalsverifier = 3.7.2
-org.apache.logging.log4j:log4j-api = 2.16.0
-org.apache.logging.log4j:log4j-core = 2.16.0
-org.apache.logging.log4j:log4j-jcl = 2.16.0
-org.apache.logging.log4j:log4j-jul = 2.16.0
-org.apache.logging.log4j:log4j-slf4j-impl = 2.16.0
+org.apache.logging.log4j:log4j-api = 2.17.0
+org.apache.logging.log4j:log4j-core = 2.17.0
+org.apache.logging.log4j:log4j-jcl = 2.17.0
+org.apache.logging.log4j:log4j-jul = 2.17.0
+org.apache.logging.log4j:log4j-slf4j-impl = 2.17.0
 org.junit.jupiter:junit-jupiter-engine = 5.8.2
 org.slf4j:slf4j-api = 1.7.32
 org.slf4j:slf4j-log4j12 = 1.7.32