devel/maven39: Update port to 3.9.11
Approved by: jrm (mentor)
MFH: 2025Q3
Differential Revision: https://reviews.freebsd.org/D51675
Release Notes: https://maven.apache.org/docs/3.9.11/release-notes.html
(cherry picked from commit 16036b42120ba31743e46488b448ee5db2e69082)