[jasperblues]

Bumps the version from 0.3.0 to 0.3.1. Merging this PR releases v0.3.1: release.yml publishes it to PyPI and creates the GitHub release. See RELEASING.md.

Commits since v0.3.0:

• efcecd8 Order two lists item by item with <, <=, > and >= on Postgres and Oracle, and refuse toString() of a list or a map (Order two lists item by item with <, <=, > and >= on Postgres and Oracle, and refuse toString() of a list or a map #248)
• a684245 Reverse a text past 4,000 bytes on Oracle, where it was null (Reverse a text past 4,000 bytes on Oracle, where it was null #249)
• 21447f8 Make DrivineAssembly pi-pilgrim 0.4's AsyncPilgrimAssembly, so await close() closes the pools again (Make DrivineAssembly pi-pilgrim 0.4's AsyncPilgrimAssembly, so await close() closes the pools again #236)
• ad30a97 Read a list of temporal values a WITH takes out of an unwound map by its places on Oracle, so it parses at once (Read a list of temporal values a WITH takes out of an unwound map by its places on Oracle, so it parses at once #247)
• c06e61e Work an aggregate's argument out first where it would bind a value, so temporal arithmetic or text in an aggregate compiles to kilobytes (Work an aggregate's argument out first where it would bind a value, so temporal arithmetic or text in an aggregate compiles to kilobytes #244)
• b32d26a Write a list literal past 100 items, or a map past 50 entries, in parts on Postgres (Write a list literal past 100 items, or a map past 50 entries, in parts on Postgres #242)
• 630b814 Hold FalkorDB at 6.0.3 in CI, and run latest each night (Hold FalkorDB at 6.0.3 in CI, and run latest each night #246)
• 0a3a8be Move the README's docs into docs/, and keep a short README (Move the README's docs into docs/, and keep a short README #223)