Update org.apache.commons:commons-pool2 to version 2.12.1 (#3420)

Author: asf-rm

log4j-parent/pom.xml

@@ -147,7 +147,7 @@
          ===================================================== -->
     <asm.version>9.6</asm.version>
     <byte-buddy.version>1.17.0</byte-buddy.version>
-    <commons-pool2.version>2.12.0</commons-pool2.version>
+    <commons-pool2.version>2.12.1</commons-pool2.version>
     <httpclient.version>4.5.14</httpclient.version>
     <httpcore.version>4.4.16</httpcore.version>
     <jna.version>5.16.0</jna.version>

src/changelog/.3.x.x/update_org_apache_commons_commons_pool2.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="3420" link="https://github.com/apache/logging-log4j2/pull/3420"/>
+  <description format="asciidoc">Update `org.apache.commons:commons-pool2` to version `2.12.1`</description>
+</entry>