Dependency updates

Author: rjeberhard

pom.xml

@@ -48,7 +48,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <apache.http.version>4.5.3</apache.http.version>
         <version.plugin.surefire>3.5.4</version.plugin.surefire>
-        <maven-enforcer-plugin-version>3.6.1</maven-enforcer-plugin-version>
+        <maven-enforcer-plugin-version>3.6.2</maven-enforcer-plugin-version>
         <maven-clean-plugin-version>3.5.0</maven-clean-plugin-version>
         <maven-compiler-plugin-version>3.14.1</maven-compiler-plugin-version>
         <maven-install-plugin-version>3.1.4</maven-install-plugin-version>
@@ -58,7 +58,7 @@
         <maven-jar-plugin-version>3.4.2</maven-jar-plugin-version>
         <maven-war-plugin-version>3.4.0</maven-war-plugin-version>
         <maven-resources-plugin-version>3.3.1</maven-resources-plugin-version>
-        <maven-dependency-plugin-version>3.8.1</maven-dependency-plugin-version>
+        <maven-dependency-plugin-version>3.9.0</maven-dependency-plugin-version>
         <dependency-check-version>12.1.6</dependency-check-version>
         <netty-version>4.2.6.Final</netty-version>