[Feature request]: Spark version 3.2.3

[eruizalo]

Feature suggestion

Spark 3.2.3 has been released. We should:

• [x] Update sbt to be this version the default version
• [x] Update CI
• [x] Update docs
• [x] Add new sql functions:
  • [x] It seems no new functions were added

Take a look at #307 if you need help, as it seems to be very similar

Current behaviour

N/A