Log message:
chat/py-xmpppy: Improve TLS python calls

Based on a suggested from felixfontein@github, use
ssl.create_default_context, which also sets other more modern defaults
(e.g. no SSLv3) and loads system trust anchors by default.

Log message:
chat/py-xmpppy: Enable certificate validation

Tested on NetBSD 10.  This is really addressing an upstream issue, but
upstream does not appear likely to do so soon.

Log message:
chat/py-xmppy: Adapt to python 3.12+ ssl interface

Upstream code used a deprecated, now withdrawn, interface.  Apply a
patch from an usptream PR.

NB: This explicitly disables certification validation, but that
matches the previous behavior.

Log message:
chat/py-xmpppy: Depend on py-six

It is used at runtime, and setup.py says it is needed at install time.

Log message:
chat/py-xmpppy: Upgrade HOMEPAGE to https

Log message:
py-xmpppy: stop using versioned_dependencies.mk

No functional change.

Log message:
*: switch to appropriate py-dns version

Log message:
chat/py-xmpppy: Update to 0.7.1

2022-04-10 0.7.1
================
- Use ``six.ensure_str()`` and ``six.ensure_binary()`` instead of custom \ 
decoding. Thanks, @normanr!
- Fix Non-SASL (XEP-0078) authentication for Python 3. Thanks, @smudge1977!
- Add ``B64`` shortcut function to streamline base64 encoding.

Log message:
py-xmpppy: set USE_PKG_RESOURCES

Bump PKGREVISION

Log message:
*: bump PKGREVISION for egg.mk users

They now have a tool dependency on py-setuptools instead of a DEPENDS