Bump watchdog from 2.1.5 to 2.1.6 (#54)

Bumps [watchdog](https://github.com/gorakhargosh/watchdog) from 2.1.5 to 2.1.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/gorakhargosh/watchdog/releases">watchdog's releases</a>.</em></p>
<blockquote>
<h2>2.1.6</h2>
<ul>
<li>[bsd] Fixed returned paths in kqueue.py and restored the overall results of the test suite. (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/842">#842</a>)</li>
<li>[bsd] Updated FreeBSD CI support .(<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/841">#841</a>)</li>
<li>[watchmedo] Removed the <code>argh</code> dependency in favor of the builtin <code>argparse</code> module. (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/836">#836</a>)</li>
<li>[watchmedo] Removed unexistant <code>WindowsApiAsyncObserver</code> references and <code>--debug-force-winapi-async</code> arguments.</li>
<li>[watchmedo] Improved the help output.</li>
</ul>
<p>:heart_decoration:  Thanks to our beloved contributors: <a href="https://github.com/knobix"><code>@​knobix</code></a>, <a href="https://github.com/AndreaRe9"><code>@​AndreaRe9</code></a>, <a href="https://github.com/BoboTiG"><code>@​BoboTiG</code></a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/gorakhargosh/watchdog/blob/master/changelog.rst">watchdog's changelog</a>.</em></p>
<blockquote>
<p>2.1.6</p>
<pre><code>
2021-10-01 • `full history &lt;https://github.com/gorakhargosh/watchdog/compare/v2.1.5...v2.1.6&gt;`__
<ul>
<li>[bsd] Fixed returned paths in <code>kqueue.py</code> and restored the overall results of the test suite. (<code>[#842](gorakhargosh/watchdog#842) &amp;lt;https://github.com/gorakhargosh/watchdog/pull/842&amp;gt;</code>_)</li>
<li>[bsd] Updated FreeBSD CI support .(<code>[#841](gorakhargosh/watchdog#841) &amp;lt;https://github.com/gorakhargosh/watchdog/pull/841&amp;gt;</code>_)</li>
<li>[watchmedo] Removed the <code>argh</code> dependency in favor of the builtin <code>argparse</code> module. (<code>[#836](gorakhargosh/watchdog#836) &amp;lt;https://github.com/gorakhargosh/watchdog/pull/836&amp;gt;</code>_)</li>
<li>[watchmedo] Removed unexistant <code>WindowsApiAsyncObserver</code> references and <code>--debug-force-winapi-async</code> arguments.</li>
<li>[watchmedo] Improved the help output.</li>
<li>Thanks to our beloved contributors: <a href="https://github.com/knobix"><code>@​knobix</code></a>, <a href="https://github.com/AndreaRe9"><code>@​AndreaRe9</code></a>, <a href="https://github.com/BoboTiG"><code>@​BoboTiG</code></a>
</code></pre></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/c6f3eade231f285549bd2d0703a378fd0fba30af"><code>c6f3ead</code></a> Release 2.1.6</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/63eab27de4d4db73c646a7d88242139412bf713e"><code>63eab27</code></a> NEWs entry for <a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/836">#836</a></li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/3d72fd1b447dc3ae1f314099991aa17dd1ea96a0"><code>3d72fd1</code></a> [watchmedo] Improve the help output</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/9c61301b1dae9284403a3a459d891c4f2aa7b165"><code>9c61301</code></a> s/Mac OS X/macOS/</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/2325b006b1a2dff12b8cdcafd113eab24970e67f"><code>2325b00</code></a> [watchmedo] Removed unexistant WindowsApiAsyncObserver references</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/0191c4013c9a4f7e3a7962fc92f49fddfd62fec0"><code>0191c40</code></a> Removed argh from watchmedo and replaced with argparse (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/836">#836</a>)</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/b9774e9e6e8dcbb7d2e0786eb13ab30848ed1514"><code>b9774e9</code></a> Fix test suite on FreeBSD (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/842">#842</a>)</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/d444b4a42db65110c2b18d36bc47366c3a8bafdd"><code>d444b4a</code></a> Update tests for FreeBSD and make these more visible by adding a badge (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/841">#841</a>)</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/5a7022cf8d1a5b0ba1e52882e9424cdf7167e829"><code>5a7022c</code></a> Use is_alive() instead of isAlive()</li>
<li><a href="https://github.com/gorakhargosh/watchdog/commit/43f79828a1438f0d6aefd59a2ea240e5ce4acf15"><code>43f7982</code></a> Add project URLs such as changelog and docs (<a href="https://github-redirect.dependabot.com/gorakhargosh/watchdog/issues/833">#833</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/gorakhargosh/watchdog/compare/v2.1.5...v2.1.6">compare view</a></li>
</ul>
</details>
<br />


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</details>

pyproject.toml

@@ -41,7 +41,7 @@ Changelog = "https://github.com/andrewbolster/bolster/releases"
 pip = "21.1.1"
 bump2version = "1.0.1"
 wheel = "0.36.2"
-watchdog = "2.1.5"
+watchdog = "2.1.6"
 flake8 = "3.9.2"
 tox = "3.24.4"
 coverage = "6.0"