* upstream/master: (58 commits)
  Variadic tuple types (microsoft#39094)
  chore: resolve suggestions
  Expand auto-import to all package.json dependencies (microsoft#38923)
  inline local functions
  Update bigint declaration file (microsoft#38526)
  Update user baselines (microsoft#39077)
  LEGO: check in for master to temporary branch.
  Add missing index.ts files to user projects (microsoft#39163)
  Add reason for a disabled code action (microsoft#37871)
  Minor fix for assertion predicates (microsoft#38710)
  Update LKG (microsoft#39173)
  Reparse top level 'await' in modules (microsoft#39084)
  change
  chore: more change
  chore: resolve review
  chore: save space
  fix: lint error
  test: add test for it
  chore: make isJsxAttr required
  chore: revert change in checker
  ...

# Conflicts:
#	src/compiler/binder.ts
#	src/compiler/checker.ts
#	src/compiler/parser.ts
#	src/compiler/types.ts