Bump clap from 2.33.0 to 2.33.1

Bumps [clap](https://github.com/clap-rs/clap) from 2.33.0 to 2.33.1.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/v2.33.1/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v2.33.0...v2.33.1)

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

Cargo.lock

@@ -223,9 +223,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.33.0"
+version = "2.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
+checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
 dependencies = [
  "ansi_term",
  "atty",

tools/protobuf-gen/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 license = "MPL-2.0"
 
 [dependencies]
-clap = "2.33.0"
+clap = "2.33.1"
 prost-build = "0.6.1"
 serde = "1"
 serde_derive = "1"