Log Message:
py-wand: updated to 0.6.8

Version 0.6.8
-------------
- Added :meth:`Image.label() <wand.image.BaseImage.label>` method.
- Added :meth:`Image.region() <wand.image.BaseImage.region>` method.
- Updated :meth:`Image.chop() <wand.image.BaseImage.chop>` method to \ 
support ``gravity`` keyword.
- Updated :meth:`Image.extent() <wand.image.BaseImage.extent>` method to \ 
support ``gravity`` keyword. [:issue:`554`]
- Added `.so.9` shared library suffix to :meth:`wand.api.library_paths()` \ 
generator when searching :const:`MAGICK_HOME` path.
- Added :const:`QUANTUM_SCALE <wand.version.QUANTUM_SCALE>` constant.
- Added :meth:`Image.montage() <wand.image.Image.montage>` method. \ 
[:issue:`575`]
- Added :meth:`Image.roll() <wand.image.BaseImage.roll>` method.
- Fixed returned values for :meth:`Image.connected_components() \ 
<wand.image.BaseImage.connected_components>` method for ImageMagick 7.1.1. \ 
[:issue:`574`]
- Fixed :c:func:`MagickSetImageDepth()` C-API method signature. [:issue:`577` by \ 
Pavel Borzenkov]
- Fixed :meth:`Image.encipher() <wand.image.BaseImage.encipher>` method to \ 
call the correct API. [:issue:`578` by Pavel Borzenkov]
- [DOC] Improved :class:`~wand.drawing.FontMetrics` documentation. [:issue:`566`]
- [TEST] Migrated CI from `travis-ci.org \ 
<https://travis-ci.org/github/emcconville/wand>`_ to `travis-ci.com \ 
<https://app.travis-ci.com/emcconville/wand>`_.
- [TEST] Removed unneeded SVG dependency from regression test.
- [TEST] Suppressed :class:`~wand.exceptions.OptionWarning` when testing user errors.
- [TEST] Added Python 3.9 regression test for `travis-ci.com \ 
<https://app.travis-ci.com/emcconville/wand>`_.
- [TEST] Removed Python 3.7 & 3.8 regression test for `travis-ci.com \ 
<https://app.travis-ci.com/emcconville/wand>`_.
- [TEST] Added Python 3.10 regression tests for `github actions \ 
<https://github.com/emcconville/wand/actions>`_.