Bump pylint from 2.14.5 to 2.15.0 (#545)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.14.5 to 2.15.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/PyCQA/pylint/commit/24eaec26f701cf8adddf27ffa8859e0bb5074a89"><code>24eaec2</code></a>
Bump pylint to 2.15.0, update changelog (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7355">#7355</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/bb0df4aa205955064b962627e91135b773fa932a"><code>bb0df4a</code></a>
Update <code>tox.ini</code> (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7358">#7358</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/1582e37982a174bc6be734f317f575b692a2f88f"><code>1582e37</code></a>
[literal-comparison] Cleanup of identical/duplicated functional
tests</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/19b4fda2689aa749ab542c1a85b86a4606cae469"><code>19b4fda</code></a>
[literal-comparison] Make the message explicit with the solution</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/d200f81ecc62a84e88c0cd1345b8705fdb8548cc"><code>d200f81</code></a>
Upgrade astroid version following 2.12.4 release (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7356">#7356</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/32116ae72cff8cec0d57160c6505a1c6ec43fc7e"><code>32116ae</code></a>
Add tests for PyCQA#5767</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/bf8281c53925042ef39580922f21883bd5310ca0"><code>bf8281c</code></a>
Bump TODOs to the next minor version in preparation of release (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7349">#7349</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/af810ab9b149fb8f1e8418d750c01b37399827e9"><code>af810ab</code></a>
Revert &quot;[test] Temporary xfail deprecated methods py36 on pypy (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7244">#7244</a>)&quot;
(<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7345">#7345</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/dcd2b17f34700ed5acd56a2d100c4c2c95ce9efa"><code>dcd2b17</code></a>
Upgrade astroid version following 2.12.3 release (<a
href="https://github-redirect.dependabot.com/PyCQA/pylint/issues/7344">#7344</a>)</li>
<li><a
href="https://github.com/PyCQA/pylint/commit/c18c9a7de1154cdf9867fe830efc8e20c71e5634"><code>c18c9a7</code></a>
[pre-commit.ci] pre-commit autoupdate</li>
<li>Additional commits viewable in <a
href="https://github.com/PyCQA/pylint/compare/v2.14.5...v2.15.0">compare
view</a></li>
</ul>
</details>
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requirements_test.txt

@@ -6,7 +6,7 @@ flake8-docstrings==1.6.0
 flake8-noqa==1.2.9
 mypy==0.971
 pre-commit==2.20.0
-pylint==2.14.5
+pylint==2.15.0
 pylint_strict_informational==0.1
 pytest==7.1.2
 pytest-cov==3.0.0