Merlin 5.7-505~preview

CHANGES:

• merlin library

  • Add "Other" variant to locate-types result (#2025)
  • Don't include option in locate-types result for optional parameters (#2027)
  • Fix record field autocompletion (#2028)
  • Signature help should not loop over the parameters once it is finished (#2023)

• tests

  • Add a reproduction case for #1214, the issue has been resolved before (#2022)
  • Add reproduction case for #1763 but it is not failing anymore (#2021)
  • Add a test to reproduce Locate command fails on multi-line type definitions (#2020)
  • Add a regression test for issue #2019 (#2030)