Add support for `specify` in Code Lens (#3228)

This came up while pairing with @alexcrocha on #3223

Ref: https://rubydoc.info/gems/minitest/4.1.0/MiniTest/Spec#it-class_method

Bump version to v0.9.6

Bump extension version to v0.9.5

Version 0.23.11

Bump extension version to v0.9.4

Bump extension version to v0.9.3

Version 0.23.10

Bump extension version to v0.9.2

Version 0.23.9

Bump extension version to v0.9.1