Bump commons-email from 1.2 to 1.5

Bumps commons-email from 1.2 to 1.5.

---
updated-dependencies:
- dependency-name: org.apache.commons:commons-email
  dependency-type: direct:production
...

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

pom.xml

@@ -57,7 +57,7 @@
 		<commons-fileupload.version>1.3.3</commons-fileupload.version>
 		<commons-lang.version>2.6</commons-lang.version>
 		<commons-lang3.version>3.1</commons-lang3.version>
-        <commons-email.version>1.2</commons-email.version>
+        <commons-email.version>1.5</commons-email.version>
         <!-- ehcache -->
 		<ehcache.version>2.4.3</ehcache.version>
 		<!-- freemarker -->