Merge pull request #6943 from github/dependabot/cargo/ruby/generator/tracing-subscriber-0.3

Update tracing-subscriber requirement from 0.2 to 0.3 in /ruby/generator

Author: nickrolfe

ruby/generator/Cargo.toml

@@ -10,6 +10,6 @@ edition = "2018"
 clap = "2.33"
 node-types = { path = "../node-types" }
 tracing = "0.1"
-tracing-subscriber = { version = "0.2", features = ["env-filter"] }
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tree-sitter-embedded-template = "0.19"
 tree-sitter-ruby = { git = "https://github.com/tree-sitter/tree-sitter-ruby.git", rev = "bb6a42e42b048627a74a127d3e0184c1eef01de9" }