Bump commons-beanutils from 1.7.0 to 1.9.4

Bumps commons-beanutils from 1.7.0 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/pom.xml b/pom.xml
index ca5f9b8..a2f6dcc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
     <commons.digester.version>1.7</commons.digester.version>
     <commons.lang.version>2.1</commons.lang.version>
     <commons.collection.version>3.1</commons.collection.version>
-    <commons.beanutils.version>1.7.0</commons.beanutils.version>
+    <commons.beanutils.version>1.9.4</commons.beanutils.version>
     <org.slf4j.version>1.6.4</org.slf4j.version>
     <junit.version>4.7</junit.version>
     <xerces.version>2.9.1</xerces.version>