chore: bump nix from 0.19.0 to 0.20.0 (#17853)

* chore: bump nix from 0.19.0 to 0.20.0

Bumps [nix](https://github.com/nix-rust/nix) from 0.19.0 to 0.20.0.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.19.0...v0.20.0)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* [auto-commit] Update all Cargo lock files

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

install/Cargo.toml

@@ -20,7 +20,7 @@ ctrlc = { version = "3.1.5", features = ["termination"] }
 dirs-next = "2.0.0"
 indicatif = "0.16.2"
 lazy_static = "1.4.0"
-nix = "0.19.0"
+nix = "0.20.0"
 reqwest = { version = "0.11.2", default-features = false, features = ["blocking", "rustls-tls", "json"] }
 serde = { version = "1.0.126", features = ["derive"] }
 serde_json = "1.0.64"