Excavator: Upgrade dependencies

Author: svc-excavator-bot

versions.props

@@ -1,16 +1,16 @@
 ch.qos.logback:logback-classic = 1.1.7
-com.fasterxml.jackson.*:jackson-* = 2.9.5
+com.fasterxml.jackson.*:jackson-* = 2.9.7
 com.google.guava:guava = 20.0
-com.palantir.safe-logging:* = 1.3.0
-com.squareup.okhttp3:okhttp = 3.9.0
+com.palantir.safe-logging:* = 1.5.0
+com.squareup.okhttp3:okhttp = 3.11.0
 io.dropwizard:dropwizard-* = 1.3.1
-io.zipkin.java:* = 1.13.1
+io.zipkin.java:* = 2.10.1
 javax.ws.rs:javax.ws.rs-api = 2.0.1
 junit:junit = 4.12
-org.assertj:assertj-core = 3.6.1
+org.assertj:assertj-core = 3.11.1
 org.glassfish.jersey.*:* = 2.22.2
 org.hamcrest:hamcrest-* = 1.3
-org.immutables:value = 2.3.10
-org.jmock:jmock = 2.8.2
-org.mockito:mockito-core = 2.18.3
+org.immutables:value = 2.7.1
+org.jmock:jmock = 2.9.0
+org.mockito:mockito-core = 2.23.0
 org.slf4j:slf4j-api = 1.7.12