print/auctex: Update 13.2 → 13.3

Release notes:
https://ftp.gnu.org/gnu/auctex/RELEASE-13.3
Changes:
https://ftp.gnu.org/gnu/auctex/13.3-extra/CHANGES

Impreove port:

• replace PORTVERSION with DISTVERSION;
• add LICENSE_FILE;
• sort plist.

PR: 280858
Approved by: hrs (maintainer, timeout > 5 months)