Bump commons-beanutils in /brooklyn-server/camp/camp-brooklyn

Bumps commons-beanutils from 1.9.1 to 1.9.4.

---
updated-dependencies:
- dependency-name: commons-beanutils:commons-beanutils
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/brooklyn-server/camp/camp-brooklyn/pom.xml b/brooklyn-server/camp/camp-brooklyn/pom.xml
index b818b99..ac8a38c 100644
--- a/brooklyn-server/camp/camp-brooklyn/pom.xml
+++ b/brooklyn-server/camp/camp-brooklyn/pom.xml
@@ -84,7 +84,7 @@
         <dependency>
             <groupId>commons-beanutils</groupId>
             <artifactId>commons-beanutils</artifactId>
-            <version>1.9.1</version>
+            <version>1.9.4</version>
             <exclusions>
                 <!-- Dependency versions mismatch between transitive dependencies, declare explicitly -->
                 <exclusion>