Bump test dependencies

(cherry picked from commit 04a5e5c)

Author: acogoluegnes

pom.xml

@@ -60,10 +60,10 @@
     <jackson.version>2.11.3</jackson.version>
     <logback.version>1.2.3</logback.version>
     <junit.version>4.13.1</junit.version>
-    <mockito.version>3.3.3</mockito.version>
-    <assertj.version>3.15.0</assertj.version>
-    <jetty.version>9.4.27.v20200227</jetty.version>
-    <bouncycastle.version>1.64</bouncycastle.version>
+    <mockito.version>3.5.13</mockito.version>
+    <assertj.version>3.17.2</assertj.version>
+    <jetty.version>9.4.32.v20200930</jetty.version>
+    <bouncycastle.version>1.66</bouncycastle.version>
 
     <maven.javadoc.plugin.version>3.2.0</maven.javadoc.plugin.version>
     <maven.release.plugin.version>2.5.3</maven.release.plugin.version>