devel/delve: Update version 1.21.1=>1.21.2

Added

• DAP: add concrete type to interface type (@suzmue, #3510)
• Support for VSCode in the edit command (@derekparker, #3524)
• Follow-mode support for Windows (@aarzilli, #3507)

Fixed

• Fix bugs handling stdout/stderr in DAP (@hyangah, #3522)
• Fix bug with autogenerated wrappers for methods of generic types (@aarzilli, #3528)

Changed

• Use Cgo instead of C code in the FreeBSD backend (@4a6f656c, #3529)
• Remove obsolete build tags (+build) (@alexandear, #3513)

Changelog:
https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1212-2023-10-30

PR: 275177
Approved by: submitter is maintainer