Add missing issue link to the changelog entry (#65)

Author: vy

src/changelog/.1.x.x/add-coroutine-context-convenience-functions.xml

@@ -3,5 +3,6 @@
        xmlns="https://logging.apache.org/xml/ns"
        xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
        type="added">
+  <issue id="65" link="https://github.com/apache/logging-log4j-kotlin/pull/65"/>
   <description format="asciidoc">Add convenience functions for managing logging context in coroutines</description>
 </entry>