1.19.0

Changelog

• fix: use local time in ISO-timestamps
• fix: duplicate merge-date key on consecutive merges
• chore: better line breaks after merging
• feat: insert merge-date on merge operations
• feat: automatic backup of files before merging
• fix: more validation that editor has correct file open
• fix: view refreshing on merge
• chore(biomeConfig): do not report non-toplevel-regex
• improv: further validate merging of extraction sources on merge
• fix: line break placement on merge
• improv: report conflicts of extraction sources for merges