Update lunr[languages] requirement from <0.7,>=0.6 to >=0.6,<0.8 (#123)

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[//]: # (dependabot-end)

Updates the requirements on
[lunr[languages]](https://github.com/yeraydiazdiaz/lunr.py) to permit
the latest version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/yeraydiazdiaz/lunr.py/blob/master/CHANGELOG.md">lunr[languages]'s
changelog</a>.</em></p>
<blockquote>
<h1>Changelog</h1>
<h2>0.7.0 (2023-08-16)</h2>
<ul>
<li>Fix misleading usage of <code>__main__.py</code> without runnable
code to be ran on <code>python -m lunr</code></li>
<li>Move to pyproject.toml packaging</li>
<li>Drop support for Python 3.6</li>
<li>Add support for Python 3.11</li>
<li>Remove logging configuration <a
href="https://github.com/ping"><code>@​ping</code></a></li>
</ul>
<h2>0.6.2 (2022-02-27)</h2>
<ul>
<li>Add <code>Pipeline.skip</code> method to skip pipeline functions on
specific fields
<a
href="https://github.com/tristanlatr"><code>@​tristanlatr</code></a></li>
</ul>
<h3>Deprecation warning</h3>
<ul>
<li>0.6.2 will be the last release to support Python 3.6.</li>
</ul>
<h2>0.6.1 (2021-10-16)</h2>
<ul>
<li>Add support for Python 3.10.</li>
<li>Remove pin to NLTK &lt; 3.5.</li>
</ul>
<h2>0.6.0 (2021-04-22)</h2>
<ul>
<li>Add index customisation, enabling build and search pipeline tweaks
as well as
meta-data whitelisting.</li>
</ul>
<h2>0.5.9 (2021-01-10)</h2>
<ul>
<li>Compatibility with Lunr.js 2.3.9:
<ul>
<li>Fix bug where clause matches are incorrectly initialized to a
complete set.</li>
</ul>
</li>
<li>Add support for Python 3.9</li>
<li>Drop support for Python 3.5</li>
</ul>
<h2>0.5.8 (2020-04-16)</h2>
<ul>
<li>Fix installing ntlk in 2.7 without <code>languages</code>
extra.</li>
<li>Optimize regexes and avoid usage by default.</li>
</ul>
<h3>Deprecation warning</h3>
<ul>
<li>0.5.8 will be the last release to support Python 2.7.</li>
</ul>
<h2>0.5.7 (2020-04-14)</h2>
<ul>
<li>Prevent installing an unsupported version of NLTK in Python
2.7.</li>
</ul>
<h2>0.5.6 (2019-11-17)</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/2c82baafb00093cd7c8cf021e2bea74d80542f6f"><code>2c82baa</code></a>
Fix README not being passed through to PyPI</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/093778ffc70962aacf0409e63419b0b094a0deea"><code>093778f</code></a>
Include acceptance test fixtures and JS in source distribution</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/14484a070b7a1803e8f10d64a3c9280872cadfa5"><code>14484a0</code></a>
Bump word-wrap from 1.2.3 to 1.2.4 in
/tests/acceptance_tests/javascript</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/6a642f1731b2e0495e50b4a53c34367e8988c30f"><code>6a642f1</code></a>
Fix 0.7.0 release date</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/c0551382f75cf65a0addd635dda43ba3e49cf113"><code>c055138</code></a>
0.7.0</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/279952b6f1027a9491eff6eaed5ce493ac535010"><code>279952b</code></a>
Fix packaging make recipes</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/34a82e80ce7a04f000fbaaae33c9cf54054496a9"><code>34a82e8</code></a>
Fix misleading usage of <code>__main__.py</code> without runnable
code</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/cdc00d6f6593d005bf30a063ac6c8ebac232ad50"><code>cdc00d6</code></a>
Move to pyproject.toml packaging</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/f15e7208bc1314046656adb6104098664546f673"><code>f15e720</code></a>
Add unreleased features</li>
<li><a
href="https://github.com/yeraydiazdiaz/lunr.py/commit/dcaba5d86cb6b567a847f167846ccb13a4db3cfc"><code>dcaba5d</code></a>
Amend setuptools to correctly match required Python 3.7+</li>
<li>Additional commits viewable in <a
href="https://github.com/yeraydiazdiaz/lunr.py/compare/0.6.0...0.7.0.post1">compare
view</a></li>
</ul>
</details>
<br />


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</details>

requirements/base.txt

@@ -1,5 +1,5 @@
 imagesize>=1.4,<1.5
-lunr[languages]>=0.6,<0.7
+lunr[languages]>=0.6,<0.8
 markdownify>=0.11,<0.12
 orjson>=3.8,<3.10
 packaging>=20,<24