fix(stealth): avoid matchMedia Illegal invocation

- bind MediaQueryList methods when proxied for prefers-color-scheme light patch

- add regression test for addEventListener/removeEventListener

- bump version to 0.14.0-fork.6 and sync Cargo metadata

cli/Cargo.lock

@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "agent-browser-stealth"
-version = "0.14.0-fork.5"
+version = "0.14.0-fork.6"
 dependencies = [
  "base64",
  "dirs",

cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "agent-browser-stealth"
-version = "0.14.0-fork.5"
+version = "0.14.0-fork.6"
 edition = "2021"
 description = "Stealth browser automation CLI for AI agents with anti-bot evasions"
 license = "Apache-2.0"