Release v1.8.34

Changes since v1.7.239:

• Engine: Add an option for the PICO-8 palette.
• Engine: Add the SWEETIE-16 palette by GrafxKid, used in TIC-80
• Engine: Update Go version and modules.
• Map: Ending is now slightly more trolly ;)
• Map: If the game has already been won, skip It Only Takes One.
• Map: Minor adjustments to Multi Party Authorization
• Map: Replay ticking_clock.ogg when backtracking (#735)