Bump pyspark from 2.4.4 to 3.3.2

Bumps [pyspark](https://github.com/apache/spark) from 2.4.4 to 3.3.2.
- [Commits](apache/spark@v2.4.4...v3.3.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 ## Essential packages: software dependency
 fire>=0.2.1
-pyspark==2.4.4
+pyspark==3.3.2
 pandas==0.24.2
 pandas-ml==0.6.1
 numpy==1.16.2