Bump virtualenv from 20.7.2 to 20.9.0

[dependabot]

Bumps virtualenv from 20.7.2 to 20.9.0.

Changelog

Sourced from virtualenv's changelog.

v20.9.0 (2021-10-23)

Features - 20.9.0

- Special-case ``--prompt .`` to the name of the current directory - by :user:`rkm`. (`[#2220](https://github.com/pypa/virtualenv/issues/2220) <https://github.com/pypa/virtualenv/issues/2220>`_)
- Add libffi-8.dll to pypy windows `[#2218](https://github.com/pypa/virtualenv/issues/2218) <https://github.com/pypa/virtualenv/issues/2218>`_ - by :user:`mattip`
Bugfixes - 20.9.0

• Fixed path collision that could lead to a PermissionError or writing to system directories when using PyPy3.8 - by :user:mgorny. ([#2182](https://github.com/pypa/virtualenv/issues/2182) <https://github.com/pypa/virtualenv/issues/2182>_)
• Upgrade embedded setuptools to 58.3.0 from 58.1.0 and pip to 21.3.1 from 21.2.4 - by :user:gaborbernat. ([#2205](https://github.com/pypa/virtualenv/issues/2205) <https://github.com/pypa/virtualenv/issues/2205>_)
• Remove stray closing parenthesis in activate.bat - by :user:SiggyBar. ([#2221](https://github.com/pypa/virtualenv/issues/2221) <https://github.com/pypa/virtualenv/issues/2221>_)

v20.8.1 (2021-09-24)

Bugfixes - 20.8.1

- Fixed a bug where while creating a venv on top of an existing one, without cleaning, when seeded
  wheel version mismatch occurred, multiple ``.dist-info`` directories may be present, confounding entrypoint
  discovery - by :user:`arcivanov` (`[#2185](https://github.com/pypa/virtualenv/issues/2185) <https://github.com/pypa/virtualenv/issues/2185>`_)
- Bump embed setuptools from ``58.0.4`` to ``58.1.0`` - by :user:`gaborbernat`. (`[#2195](https://github.com/pypa/virtualenv/issues/2195) <https://github.com/pypa/virtualenv/issues/2195>`_)
Misc - 20.8.1
- `[#2189](https://github.com/pypa/virtualenv/issues/2189) &lt;https://github.com/pypa/virtualenv/issues/2189&gt;`_
v20.8.0 (2021-09-16)

upgrade embedded setuptools to 58.0.4 from 57.4.0 and pip to 21.2.4 from 21.2.3
Add nushell activation script

</code></pre>

</blockquote>

</details>

<details>

<summary>Commits</summary>

<ul>

<li><a href="https://github.com/pypa/virtualenv/commit/35d6a19dad02c5b9d4f700f3aaf9cbecb284cbb6&quot;&gt;&lt;code&gt;35d6a19&lt;/code&gt;&lt;/a> release 20.9.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/4a1328b8f764683bffe860cd34ab0510f6e790d7&quot;&gt;&lt;code&gt;4a1328b&lt;/code&gt;&lt;/a> Bump pip and setuptools (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2222&quot;&gt;#2222&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/6bfc29e1a3d621e3f622a0d0395ff261ce0f3973&quot;&gt;&lt;code&gt;6bfc29e&lt;/code&gt;&lt;/a> special-case <code>--prompt .</code> to the cwd (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2220&quot;&gt;#2220&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/4188ac6e72d3b731595c83d46d1c0eb76fe4f6eb&quot;&gt;&lt;code&gt;4188ac6&lt;/code&gt;&lt;/a> Support PyPy 3.8 (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2206&quot;&gt;#2206&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/35ec4416d2012cfcb7a5e638813f6d52e852f29f&quot;&gt;&lt;code&gt;35ec441&lt;/code&gt;&lt;/a> Remove stray closing parenthesis in activate.bat (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2221&quot;&gt;#2221&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/c36117987cf65da92d4cfa7ab042f28a6266e135&quot;&gt;&lt;code&gt;c361179&lt;/code&gt;&lt;/a> add libffi-8.dll to pypy windows _shared_libs (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2218&quot;&gt;#2218&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/c77c6bc30edde2885091ad0945a093638ecbf45a&quot;&gt;&lt;code&gt;c77c6bc&lt;/code&gt;&lt;/a> refactor to not do too much in ReentrantFileLock.<strong>del</strong> (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2213&quot;&gt;#2213&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/6633e8578f65dd8f5eced14b9f6a7a495e55389a&quot;&gt;&lt;code&gt;6633e85&lt;/code&gt;&lt;/a> Fix feature request template (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2217&quot;&gt;#2217&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/df8e5f29939258913817b47bb5c01767fc333cd5&quot;&gt;&lt;code&gt;df8e5f2&lt;/code&gt;&lt;/a> Setup Githug workflow concurrency (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2212&quot;&gt;#2212&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/eafadce95da65f29a94b2b3b732f3f95c6d8421d&quot;&gt;&lt;code&gt;eafadce&lt;/code&gt;&lt;/a> [pre-commit.ci] pre-commit autoupdate (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2211&quot;&gt;#2211&lt;/a&gt;)&lt;/li>

<li>Additional commits viewable in <a href="https://github.com/pypa/virtualenv/compare/20.7.2...20.9.0&quot;&gt;compare view</a></li>

</ul>

</details>
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