Bump csv from 1.1.5 to 1.1.6

Bumps [csv](https://github.com/BurntSushi/rust-csv) from 1.1.5 to 1.1.6.
- [Release notes](https://github.com/BurntSushi/rust-csv/releases)
- [Commits](https://github.com/BurntSushi/rust-csv/compare/1.1.5...1.1.6)

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

Cargo.toml

@@ -17,7 +17,7 @@ indicatif = "0.15"
 statistical = "1.0"
 atty = "0.2"
 cfg-if = "1.0"
-csv = "1.1.5"
+csv = "1.1.6"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 rust_decimal = "1.10"