Update dependencies

Author: gjmwoods

pom.xml

@@ -65,12 +65,12 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler</artifactId>
-        <version>4.1.52.Final</version>
+        <version>4.1.53.Final</version>
       </dependency>
       <dependency>
         <groupId>io.projectreactor</groupId>
         <artifactId>reactor-bom</artifactId>
-        <version>Dysprosium-SR12</version>
+        <version>Dysprosium-SR13</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -79,7 +79,7 @@
       <dependency>
         <groupId>io.reactivex.rxjava2</groupId>
         <artifactId>rxjava</artifactId>
-        <version>2.2.19</version>
+        <version>2.2.20</version>
       </dependency>
 
       <!-- Optional dependencies -->
@@ -117,13 +117,13 @@
       <dependency>
         <groupId>org.bouncycastle</groupId>
         <artifactId>bcprov-jdk15on</artifactId>
-        <version>1.66</version>
+        <version>1.67</version>
         <scope>test</scope>
       </dependency>
       <dependency>
         <groupId>org.bouncycastle</groupId>
         <artifactId>bcpkix-jdk15on</artifactId>
-        <version>1.66</version>
+        <version>1.67</version>
         <scope>test</scope>
       </dependency>
       <dependency>