Update org.openjdk.nashorn:nashorn-core to version 15.5 (#3298)

Author: asf-rm

log4j-parent/pom.xml

@@ -119,7 +119,7 @@
     <logback.version>1.3.14</logback.version>
     <maven.version>3.9.9</maven.version>
     <mockito.version>4.11.0</mockito.version>
-    <nashorn.version>15.4</nashorn.version>
+    <nashorn.version>15.5</nashorn.version>
     <org.eclipse.osgi.version>3.22.0</org.eclipse.osgi.version>
     <org.eclipse.persistence.version>2.7.15</org.eclipse.persistence.version>
     <oro.version>2.0.8</oro.version>

src/changelog/.2.x.x/update_org_openjdk_nashorn_nashorn_core.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       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="updated">
+  <issue id="3298" link="https://github.com/apache/logging-log4j2/pull/3298"/>
+  <description format="asciidoc">Update `org.openjdk.nashorn:nashorn-core` to version `15.5`</description>
+</entry>