Update Renovate Configuration
Update Renovate Configuration


Updates the base configuration to include:
- node support policy
- lockfile maintenance
- optimistic automerging
matitalatina/Casper,eduardochiaro/Casper-Light,dlew/Casper,alvareztech/Casper,TryGhost/Casper,Inchdev/blog-theme,jedidja/Casper,alvareztech/Casper,Inchdev/blog-theme,matitalatina/Casper,jedidja/Casper,russmckendrick/Casper,ImKcat/ImKcatCasper,eduardochiaro/Casper-Light