Bump virtualenv from 20.4.7 to 20.7.1 in /.github/workflows

[dependabot]

Bumps virtualenv from 20.4.7 to 20.7.1.

Changelog

Sourced from virtualenv's changelog.

v20.7.1 (2021-08-09)

Bugfixes - 20.7.1

- Fix unpacking dictionary items in PythonInfo.install_path (`[#2165](https://github.com/pypa/virtualenv/issues/2165) <https://github.com/pypa/virtualenv/issues/2165>`_)
v20.7.0 (2021-07-31)
Bugfixes - 20.7.0

• upgrade embedded pip to 21.2.2 from 21.1.3 and setuptools to 57.4.0 from 57.1.0 - by :user:gaborbernat ([#2159](https://github.com/pypa/virtualenv/issues/2159) <https://github.com/pypa/virtualenv/issues/2159>_)

Deprecations and Removals - 20.7.0

- Removed ``xonsh`` activator due to this breaking fairly often the CI and lack of support from those packages
  maintainers, upstream is encouraged to continue supporting the project as a
  `plugin <https://github.com/xonsh/xonsh/issues/3689>`_  - by :user:`gaborbernat`. (`[#2160](https://github.com/pypa/virtualenv/issues/2160) <https://github.com/pypa/virtualenv/issues/2160>`_)
v20.6.0 (2021-07-14)
Features - 20.6.0
- Support Python interpreters without ``distutils`` (fallback to ``syconfig`` in these cases) - by :user:`gaborbernat`. (`[#1910](https://github.com/pypa/virtualenv/issues/1910) &lt;https://github.com/pypa/virtualenv/issues/1910&gt;`_)
v20.5.0 (2021-07-13)
Features - 20.5.0



Plugins now use 'selectable' entry points - by :user:jaraco. ([#2093](https://github.com/pypa/virtualenv/issues/2093) &lt;https://github.com/pypa/virtualenv/issues/2093&gt;_)
add libffi-7.dll to the hard-coded list of dlls for PyPy ([#2141](https://github.com/pypa/virtualenv/issues/2141) &lt;https://github.com/pypa/virtualenv/issues/2141&gt;_)
Use the better maintained platformdirs instead of appdirs - by :user:gaborbernat. ([#2142](https://github.com/pypa/virtualenv/issues/2142) &lt;https://github.com/pypa/virtualenv/issues/2142&gt;_)

Bugfixes - 20.5.0
- Bump pip the embedded pip ``21.1.3`` and setuptools to ``57.1.0`` - by :user:`gaborbernat`. (`[#2135](https://github.com/pypa/virtualenv/issues/2135) &lt;https://github.com/pypa/virtualenv/issues/2135&gt;`_)
Deprecations and Removals - 20.5.0

</code></pre>

<ul>

<li>Drop python <code>3.4</code> support as it has been over 2 years since EOL - by :user:<code>gaborbernat</code>. (<code>#2141 &lt;https://github.com/pypa/virtualenv/issues/2141&amp;gt;&lt;/code&gt;_)&lt;/li>

</ul>

</blockquote>

</details>

<details>

<summary>Commits</summary>
<ul>

<li><a href="https://github.com/pypa/virtualenv/commit/7f465469060ebffe02ca54f4a6f5e0f1d58761d2&quot;&gt;&lt;code&gt;7f46546&lt;/code&gt;&lt;/a> release 20.7.1</li>

<li><a href="https://github.com/pypa/virtualenv/commit/3f231f2f7065806fa9cb40b90f2a8008191a47ba&quot;&gt;&lt;code&gt;3f231f2&lt;/code&gt;&lt;/a> fix ValueError when unpacking (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2165&quot;&gt;#2165&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/8394049b317ac5041ed91abc99f30acf85e3857b&quot;&gt;&lt;code&gt;8394049&lt;/code&gt;&lt;/a> Move to 3.10.0-rc.1</li>

<li><a href="https://github.com/pypa/virtualenv/commit/4a28e2ec54026d9ed2e3681854635d1d7543df13&quot;&gt;&lt;code&gt;4a28e2e&lt;/code&gt;&lt;/a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2161&quot;&gt;#2161&lt;/a> from pypa/release-20.7.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/f418ffb69578cf607223919d71cd17305347ee03&quot;&gt;&lt;code&gt;f418ffb&lt;/code&gt;&lt;/a> release 20.7.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/7b1e4b4ea72d8e464203cde6a84fb18647a758ee&quot;&gt;&lt;code&gt;7b1e4b4&lt;/code&gt;&lt;/a> Upgrade pip and setuptools (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2159&quot;&gt;#2159&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/1afc19002742f60651d3d906a42199f5f98fc503&quot;&gt;&lt;code&gt;1afc190&lt;/code&gt;&lt;/a> Remove xonsh activator (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2160&quot;&gt;#2160&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/257c2564fcdfd4329431aa80badcb972dd78467d&quot;&gt;&lt;code&gt;257c256&lt;/code&gt;&lt;/a> [pre-commit.ci] pre-commit autoupdate (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2157&quot;&gt;#2157&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/180261d9decad17d39363409096d2b5a9311611d&quot;&gt;&lt;code&gt;180261d&lt;/code&gt;&lt;/a> replace remaining gitter links with discord (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2150&quot;&gt;#2150&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/a60b20efac73721bc5d24bda8ecc49deb869d0f4&quot;&gt;&lt;code&gt;a60b20e&lt;/code&gt;&lt;/a> [pre-commit.ci] pre-commit autoupdate (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2148&quot;&gt;#2148&lt;/a&gt;)&lt;/li>

<li>Additional commits viewable in <a href="https://github.com/pypa/virtualenv/compare/20.4.7...20.7.1&quot;&gt;compare view</a></li>

</ul>

</details>
<br />



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[dependabot]

Superseded by #12.