Bump virtualenv from 20.14.0 to 20.14.1 in /.github/workflows (#271)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.14.0 to 20.14.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst">virtualenv's changelog</a>.</em></p>
<blockquote>
<h2>v20.14.1 (2022-04-11)</h2>
<p>Features - 20.14.1</p>
<pre><code>- Support for creating a virtual environment from a Python 2.7 framework on macOS 12 - by :user:`nickhutchinson`. (`[#2284](pypa/virtualenv#2284) &lt;https://github.com/pypa/virtualenv/issues/2284&gt;`_)
<p>Bugfixes - 20.14.1
</code></pre></p>
<ul>
<li>Upgrade embedded setuptools to <code>62.1.0</code> from <code>61.0.0</code> - by :user:<code>gaborbernat</code>. (<code>[#2327](pypa/virtualenv#2327) &lt;https://github.com/pypa/virtualenv/issues/2327&gt;</code>_)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pypa/virtualenv/commit/17cef12d780e512738b8aed8d02eaee35f50d7cd"><code>17cef12</code></a> release 20.14.1</li>
<li><a href="https://github.com/pypa/virtualenv/commit/63e80ff9cb3adb16420d2010c8d43eca9082d1d3"><code>63e80ff</code></a> Support Python 2.7 framework-style distributions on macOS 12 (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2325">#2325</a>)</li>
<li><a href="https://github.com/pypa/virtualenv/commit/8c950c22c1bf350b817eea4919f65d499b8c3c26"><code>8c950c2</code></a> Bump embedded setuptools (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2324">#2324</a>)</li>
<li><a href="https://github.com/pypa/virtualenv/commit/ec2c01e65712966912df763d1727b97ae4ae134a"><code>ec2c01e</code></a> [pre-commit.ci] pre-commit autoupdate (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2329">#2329</a>)</li>
<li><a href="https://github.com/pypa/virtualenv/commit/1aa302f30b43307556e851617b9ea2ba94d44535"><code>1aa302f</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2323">#2323</a> from pypa/release-20.14.0</li>
<li><a href="https://github.com/pypa/virtualenv/commit/e2822f79cc2667178ac50cde191a858161a39fbf"><code>e2822f7</code></a> Fix changelog</li>
<li>See full diff in <a href="https://github.com/pypa/virtualenv/compare/20.14.0...20.14.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

.github/workflows/constraints.txt

@@ -2,4 +2,4 @@ pip==22.0.4
 nox==2022.1.7
 nox-poetry==0.9.0
 poetry==1.1.13
-virtualenv==20.14.0
+virtualenv==20.14.1