refactor(cli): replace embedded xterm colors file with ansi_colours

Author: amaanq

Cargo.lock

@@ -93,6 +93,7 @@ incremental = true
 codegen-units = 256
 
 [workspace.dependencies]
+ansi_colours = "1.2.3"
 anstyle = "1.0.10"
 anyhow = "1.0.94"
 bstr = "1.11.3"

Cargo.toml

@@ -28,6 +28,7 @@ harness = false
 wasm = ["tree-sitter/wasm", "tree-sitter-loader/wasm"]
 
 [dependencies]
+ansi_colours.workspace = true
 anstyle.workspace = true
 anyhow.workspace = true
 bstr.workspace = true