ruby: Bump to v0.0.4 (#12101)

This PR bumps the Ruby extension to v0.0.4.
    
Changes:

- #11869
- #12012
- #12052
    
Release Notes:

- N/A

extensions/ruby/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zed_ruby"
-version = "0.0.3"
+version = "0.0.4"
 edition = "2021"
 publish = false
 license = "Apache-2.0"

extensions/ruby/extension.toml

@@ -1,7 +1,7 @@
 id = "ruby"
 name = "Ruby"
 description = "Ruby support."
-version = "0.0.3"
+version = "0.0.4"
 schema_version = 1
 authors = ["Vitaly Slobodin <vitaliy.slobodin@gmail.com>"]
 repository = "https://github.com/zed-industries/zed"