• Update to 2.1.12

Changelog:
Mailman 2.1.12 is a minor bug fix and Python 2.6 compatibility release.

The minimum Python for this release is Python 2.4 and it is compatible
with Python through 2.6. The previous Mailman releases are not
compatible with Python 2.6.

PR: 134442
Submitted by: miwi
Approved by: maintainer timeout