Update dependencies docs

Author: ksunden

doc/devel/dependencies.rst

@@ -20,10 +20,10 @@ reference.
 * `cycler <https://matplotlib.org/cycler/>`_ (>= 0.10.0)
 * `dateutil <https://pypi.org/project/python-dateutil/>`_ (>= 2.7)
 * `fontTools <https://fonttools.readthedocs.io/en/latest/>`_ (>= 4.22.0)
-* `kiwisolver <https://github.com/nucleic/kiwi>`_ (>= 1.0.1)
+* `kiwisolver <https://github.com/nucleic/kiwi>`_ (>= 1.3.1)
 * `NumPy <https://numpy.org>`_ (>= 1.20)
 * `packaging <https://pypi.org/project/packaging/>`_ (>= 20.0)
-* `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 6.2)
+* `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 8.0)
 * `pyparsing <https://pypi.org/project/pyparsing/>`_ (>= 2.3.1)
 * `setuptools <https://setuptools.readthedocs.io/en/latest/>`_
 * `pyparsing <https://pypi.org/project/pyparsing/>`_ (>= 2.3.1)