Bump reqwest from 0.9.17 to 0.9.18

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.9.17 to 0.9.18.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/seanmonstar/reqwest/compare/v0.9.17...v0.9.18)

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

metrics/Cargo.toml

@@ -13,7 +13,7 @@ env_logger = "0.6.1"
 influx_db_client = "0.3.6"
 lazy_static = "1.3.0"
 log = "0.4.2"
-reqwest = "0.9.17"
+reqwest = "0.9.18"
 solana-sdk = { path = "../sdk", version = "0.16.0" }
 sys-info = "0.5.7"