chore(deps): bump cycler from 0.11.0 to 0.12.1 (#126)

Bumps [cycler](https://github.com/matplotlib/cycler) from 0.11.0 to
0.12.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/matplotlib/cycler/releases">cycler's
releases</a>.</em></p>
<blockquote>
<h2>REL: 0.12.1</h2>
<p>This is the second release of Cycler 0.12.</p>
<p>This fixes the previous release not shipping the
<code>py.typed</code> file.</p>
<h2>REL: 0.12.0</h2>
<p>This is the first release of Cycler 0.12.</p>
<p>The major new feature in this release is the addition of type hints.
Furthermore, the minimum supported version of Python is now 3.8.</p>
<h2>REL: 0.12.0rc1</h2>
<p>This is the first release candidate for Cycler 0.12.0.</p>
<p>The major new feature in this release is the addition of type hints.
Furthermore, the minimum supported version of Python is now 3.8.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/matplotlib/cycler/commit/6115d5c55d66cdedb67ec5a0d6b52b6df52fd9d2"><code>6115d5c</code></a>
REL: 0.12.1</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/4362cfec4a3f9ee94b86ecc94481287cb2765b34"><code>4362cfe</code></a>
Merge pull request <a
href="https://redirect.github.com/matplotlib/cycler/issues/98">#98</a>
from ksunden/py_typed</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/720d663eb639d4f045785f9c4bdc010be83c9a33"><code>720d663</code></a>
Include py.typed in exported wheels and sdists</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/99d0d4e37d86894cfed97715a7060fd27eea0cda"><code>99d0d4e</code></a>
BLD: Bump version for next release</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/7aebbdfdf6935937a0e3e4d545eb486b845d5f24"><code>7aebbdf</code></a>
REL: 0.12.0</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/ab3cfe8a2c7b873ede91dcaa3699b5c128446a11"><code>ab3cfe8</code></a>
BLD: Bump version for next release</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/b6f3e1748cbd7ea064bd9718d355f21b6c49fa58"><code>b6f3e17</code></a>
REL: v0.12.0rc1</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/9eb8e1824fe4910ee182fda28124b2628d8e772c"><code>9eb8e18</code></a>
Merge pull request <a
href="https://redirect.github.com/matplotlib/cycler/issues/97">#97</a>
from QuLogic/fix-circle</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/74c2df2e55900f2e691425c00bc2b74a5ec3f1c2"><code>74c2df2</code></a>
CI: Use correct variable in CircleCI build</li>
<li><a
href="https://github.com/matplotlib/cycler/commit/3660eb6cb4bd48c272ff1df6bf760044161aba21"><code>3660eb6</code></a>
Merge pull request <a
href="https://redirect.github.com/matplotlib/cycler/issues/95">#95</a>
from QuLogic/auto-publish</li>
<li>Additional commits viewable in <a
href="https://github.com/matplotlib/cycler/compare/v0.11.0...v0.12.1">compare
view</a></li>
</ul>
</details>
<br />


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</details>