2.6.0

RBS 2.6 ships with rbs prototype commands improvements and signature updates.
New minitest RBS definitions will help you to type check your tests.

Signature updates

• etc (#1006)
• minitest (#1009)
• date (#1033)
• ENV. ARGF, Random::Base (#1041)
• Hash#dig (#1011)
• Hash#reject (#1016)
• Kernel?.fail (#1026, #1028)
• Rational#* (#1012)
• Regexp.new (#1040)

Library changes

• Add visibility columns in {AttrReader,AttrAccessor,AttrWriter}#to_json (#1014)
• Add support for RSpec's verifying doubles in test setup helper (#1015)
• Fix lexer to analyze escape characters (#1043)

rbs prototype

• [rb] Support the case where the return value is self (#1003)
• [rb] Lean to the optional side (#1021)
• [rb] Fix method commenting (#1027)
• [runtime] Fix decls of output from Prototype::Runtime (#1030)
• [runtime] Fix class name resolution of prototype runtime (#1032)
• [rbi] Improve Prototype::RBI (#1018)

Miscellaneous

• Fix typo in CONTRIBUTING.md (#1004)
• Use manifest.yaml instead of manually for validate task (#1010)
• Update re2c (#1017)
• Type check Prototype::RB (#1019)
• Minor cleanup & fix (#1020)
• Fix type errors (#1023)
• Clarify GHA step name for rake annotate (#1024)
• Silence parser warning (#1039)
• Fix warnings (#1035