Bump commons-collections from 3.1 to 3.2.2

Bumps commons-collections from 3.1 to 3.2.2.

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

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index ca5f9b8..1870fd4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
     <apache.jackrabbit.version>2.4.1</apache.jackrabbit.version>
     <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.collection.version>3.2.2</commons.collection.version>
     <commons.beanutils.version>1.7.0</commons.beanutils.version>
     <org.slf4j.version>1.6.4</org.slf4j.version>
     <junit.version>4.7</junit.version>