lang/ruby27: Update to 2.7.7

ReleaseNotes: https://www.ruby-lang.org/en/news/2022/11/24/ruby-2-7-7-released/
PR: 267977
Approved by: maintainer timeout
MFH: 2022Q4
Security: 84ab03b6-6c20-11ed-b519-080027f5fec9

(cherry picked from commit 60808c6c007c8a4d5a3dcb800d492806d6bd60df)