Updating Commons Codec

git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-java/trunk@1853790 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 6a9db1b..11ce5e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -555,7 +555,7 @@
         <log4j.version>1.2.17</log4j.version>
         <bcprov.version>1.60</bcprov.version>
         <xmlunit.version>1.6</xmlunit.version>
-        <commons.codec.version>1.11</commons.codec.version>
+        <commons.codec.version>1.12</commons.codec.version>
         <woodstox.core.version>5.2.0</woodstox.core.version>
         <jetty.version>9.4.8.v20171121</jetty.version>
         <xmlsec.jaxb.context.class />