Use nu-ansi-term instead of ansi_term

The `nu-ansi-term` crate is a fork of `ansi_term` which is maintained by
the Nushell project.

Cargo.lock

@@ -26,15 +26,6 @@ dependencies = [
  "rgb",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "assert_cmd"
 version = "2.0.8"
@@ -77,7 +68,6 @@ name = "bat"
 version = "0.22.1"
 dependencies = [
  "ansi_colours",
- "ansi_term",
  "assert_cmd",
  "atty",
  "bincode",
@@ -95,6 +85,7 @@ dependencies = [
  "globset",
  "grep-cli",
  "nix",
+ "nu-ansi-term",
  "once_cell",
  "path_abs",
  "plist",
@@ -747,6 +738,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.47.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df031e117bca634c262e9bd3173776844b6c17a90b3741c9163663b4385af76"
+dependencies = [
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.15"