Build: Bump pyspark from 3.5.5 to 3.5.6 (#2062)

Bumps [pyspark](https://github.com/apache/spark) from 3.5.5 to 3.5.6.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/apache/spark/commit/303c18c74664f161b9b969ac343784c088b47593"><code>303c18c</code></a>
Preparing Spark release v3.5.6-rc1</li>
<li><a
href="https://github.com/apache/spark/commit/5e17ddfd76d4a2c6bfed096f87fd98a1ba3319f6"><code>5e17ddf</code></a>
Revert &quot;Preparing Spark release v3.5.6-rc1&quot;</li>
<li><a
href="https://github.com/apache/spark/commit/66bd39168cb30695bcaa5e38d1491ffd6c67430e"><code>66bd391</code></a>
Revert &quot;Preparing development version 3.5.7-SNAPSHOT&quot;</li>
<li><a
href="https://github.com/apache/spark/commit/e2b0b3788b465918736477c7e28e6489d1dc2942"><code>e2b0b37</code></a>
Revert &quot;Revert &quot;[SPARK-52276][BUILD] Make ANSWER not to be
overwritten in rel...</li>
<li><a
href="https://github.com/apache/spark/commit/35134dd175c87f476de29dd955f8c05b834ee542"><code>35134dd</code></a>
Revert &quot;Revert &quot;[SPARK-52225][BUILD][FOLLOW-UP] Change -it to
-ti in Docker e...</li>
<li><a
href="https://github.com/apache/spark/commit/7c8c5b7b9615aaa5691c845b043ceb4175516e72"><code>7c8c5b7</code></a>
Revert &quot;[SPARK-52225][BUILD][FOLLOW-UP] Change -it to -ti in Docker
execution...</li>
<li><a
href="https://github.com/apache/spark/commit/4c7472b8a015b55b1556c3959e7225c8e74a9610"><code>4c7472b</code></a>
Revert &quot;[SPARK-52276][BUILD] Make ANSWER not to be overwritten in
release scr...</li>
<li><a
href="https://github.com/apache/spark/commit/5f3d97e9e0579a2e28dff1bb4986c636adcc0004"><code>5f3d97e</code></a>
[SPARK-52276][BUILD] Make ANSWER not to be overwritten in release
scripts</li>
<li><a
href="https://github.com/apache/spark/commit/ef44dbd08cb05ca2fe5fd636eb02f1211d85eeb3"><code>ef44dbd</code></a>
[SPARK-52225][BUILD][FOLLOW-UP] Change -it to -ti in Docker execution in
rele...</li>
<li><a
href="https://github.com/apache/spark/commit/0148bb2dc2c8d1537c5d34e6bfb4c3a4debfd173"><code>0148bb2</code></a>
Preparing development version 3.5.7-SNAPSHOT</li>
<li>Additional commits viewable in <a
href="https://github.com/apache/spark/compare/v3.5.5...v3.5.6">compare
view</a></li>
</ul>
</details>
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -97,7 +97,7 @@ requests-mock = "1.12.1"
 moto = { version = "^5.0.2", extras = ["server"] }
 typing-extensions = "4.13.2"
 pytest-mock = "3.14.1"
-pyspark = "3.5.5"
+pyspark = "3.5.6"
 cython = "3.1.1"
 deptry = ">=0.14,<0.24"
 datafusion = ">=44,<48"