Bump pyspark from 3.3.2 to 3.4.4

Bumps [pyspark](https://github.com/apache/spark) from 3.3.2 to 3.4.4.
- [Commits](apache/spark@v3.3.2...v3.4.4)

---
updated-dependencies:
- dependency-name: pyspark
  dependency-version: 3.4.4
  dependency-type: direct:production
...

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Author: dependabot[bot]