v1.19.9

Features:
Use 4th digit in version number for CI build number (Launcher#541)
Expose extra optional arg in UpdatePlayerStat function (Mods#742)
Auto-publish Mastodon post on new release (#571)

Code refactoring:
Move plugin communication handler init out of plugin manager init (Launcher#581)

Fixes:
Make dropships immune to Titan step damage (Mods#737)
Add check for r2/maps folder (Launcher#575)
Fix proton detection output (Launcher#534)
Award titan assist stats based on titan soul damage history (Mods#746)
Fix a crash related to Arc Cannon (Mods#681)
Fix Titan Assist not tracking properly (Mods#744)
Stop logging invalid map/mode exception in progression (Mods#750)

Build system:
Add workflow for adding Issues to the project board (Mods#696)

Contributors:
@ASpoonPlaysGames @GeckoEidechse @GalacticMoblin @H0L0theBard @Jan200101 @Zanieon