build(deps): bump idna from 0.2.0 to 0.2.1

Bumps [idna](https://github.com/servo/rust-url) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/servo/rust-url/releases)
- [Commits](https://github.com/servo/rust-url/compare/idna-v0.2.0...v0.2.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.lock

@@ -730,9 +730,9 @@ dependencies = [
 
 [[package]]
 name = "idna"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
+checksum = "de910d521f7cc3135c4de8db1cb910e0b5ed1dc6f57c381cd07e8e661ce10094"
 dependencies = [
  "matches",
  "unicode-bidi",