Bump commons-lang3 from 3.8.1 to 3.9 (#2732)

Bumps commons-lang3 from 3.8.1 to 3.9.

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dropwizard-bom/pom.xml

@@ -41,7 +41,7 @@
             <dependency>
                 <groupId>org.apache.commons</groupId>
                 <artifactId>commons-lang3</artifactId>
-                <version>3.8.1</version>
+                <version>3.9</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>