chore: bump csv from 1.1.3 to 1.1.6 (#18261)

Bumps [csv](https://github.com/BurntSushi/rust-csv) from 1.1.3 to 1.1.6.
- [Release notes](https://github.com/BurntSushi/rust-csv/releases)
- [Commits](https://github.com/BurntSushi/rust-csv/compare/1.1.3...1.1.6)

---
updated-dependencies:
- dependency-name: csv
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tokens/Cargo.toml

@@ -13,7 +13,7 @@ documentation = "https://docs.rs/solana-tokens"
 chrono = { version = "0.4", features = ["serde"] }
 clap = "2.33.0"
 console = "0.14.1"
-csv = "1.1.3"
+csv = "1.1.6"
 ctrlc = { version = "3.1.9", features = ["termination"] }
 dirs-next = "2.0.0"
 indexmap = "1.6.2"