Bump polars from 0.18.0 to 0.18.2 (#432)

Bumps [polars](https://github.com/pola-rs/polars) from 0.18.0 to 0.18.2.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pola-rs/polars/commit/f7f675329b0a3fce6f0196377f28f867e59a8bb5"><code>f7f6753</code></a>
python polars 0.18.2 (<a
href="https://redirect.github.com/pola-rs/polars/issues/9314">#9314</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/a5f92e9246273c95c0e3a897ada9f507f152d7b0"><code>a5f92e9</code></a>
chore: fix test (<a
href="https://redirect.github.com/pola-rs/polars/issues/9316">#9316</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/3bd1d49b50558b235a9df0603d0a1df0e68f464e"><code>3bd1d49</code></a>
fix(rust, python): fix rolling weighted mean</li>
<li><a
href="https://github.com/pola-rs/polars/commit/5cc9dc778b772f876de2a6673ad6071c57cea4ef"><code>5cc9dc7</code></a>
perf(rust, python): increase streaming groupby spill size from 256 to
10_000 ...</li>
<li><a
href="https://github.com/pola-rs/polars/commit/f1beadac3e5f5dde04e4787d68a606854788c6e6"><code>f1beada</code></a>
ci: Pin typos version (<a
href="https://redirect.github.com/pola-rs/polars/issues/9313">#9313</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/dc13d7e79b8bcd7802431d6b32793d13b447fa73"><code>dc13d7e</code></a>
ci(python,rust): bump &quot;typos&quot; package to match what's
currently running on CI...</li>
<li><a
href="https://github.com/pola-rs/polars/commit/c01d81e3d5ff1a4d0257c76d65e190e20ba5ff4b"><code>c01d81e</code></a>
feat(python): allow use of <code>StringCache</code> object as a function
decorator (<a
href="https://redirect.github.com/pola-rs/polars/issues/9309">#9309</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/9a673f54eb128155f9df761ce2645b70af7ecd67"><code>9a673f5</code></a>
feat(python): allow use of <code>Config</code> object as a function
decorator (<a
href="https://redirect.github.com/pola-rs/polars/issues/9307">#9307</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/ab3b49f3e427faf6cafb8891efdecd6018a9a941"><code>ab3b49f</code></a>
perf(rust, python) Improve rolling min and max for nonulls (<a
href="https://redirect.github.com/pola-rs/polars/issues/9277">#9277</a>)</li>
<li><a
href="https://github.com/pola-rs/polars/commit/b4d7c344d0f3b81612bc9e1feb2998aa79982076"><code>b4d7c34</code></a>
fix(python): fix overly-broad string matching in selectors (<a
href="https://redirect.github.com/pola-rs/polars/issues/9303">#9303</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/pola-rs/polars/compare/rust-polars-0.18.0...py-0.18.2">compare
view</a></li>
</ul>
</details>
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</details>

Author: llucax

pyproject.toml

@@ -58,7 +58,7 @@ docs-lint = [
 ]
 format = ["black == 23.3.0", "isort == 5.12.0"]
 nox = ["nox == 2023.4.22", "toml == 0.10.2"]
-examples = [ "polars == 0.18.0" ]
+examples = [ "polars == 0.18.2" ]
 pytest = [
   "pytest == 7.3.1",
   "pytest-cov == 4.1.0",