Update ruby repo: merge with master

Author: wks

mmtk/Cargo.toml

@@ -12,7 +12,7 @@ edition = "2021"
 # Metadata for the Ruby repository
 [package.metadata.ci-repos.ruby]
 repo = "mmtk/ruby" # This is used by actions/checkout, so the format is "owner/repo", not URL.
-rev = "c26ce09343b083e7f260d72e2c7eb9c7d2ba07d2"
+rev = "f63ea9a7ab846f8c1e0fab3ea61cdd1b364a661c"
 
 [lib]
 name = "mmtk_ruby"