Update dependencies (#858)

Author: gjmwoods

pom.xml

@@ -65,12 +65,12 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler</artifactId>
-        <version>4.1.59.Final</version>
+        <version>4.1.60.Final</version>
       </dependency>
       <dependency>
         <groupId>io.projectreactor</groupId>
         <artifactId>reactor-bom</artifactId>
-        <version>Dysprosium-SR17</version>
+        <version>Dysprosium-SR18</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -137,12 +137,12 @@
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-core</artifactId>
-        <version>2.12.1</version>
+        <version>2.12.2</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-databind</artifactId>
-        <version>2.12.1</version>
+        <version>2.12.2</version>
       </dependency>
 
       <!-- Graal VM -->