Bump reqwest from 0.9.19 to 0.9.20 (#5598)

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.9.19 to 0.9.20.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/v0.9.20/CHANGELOG.md)
- [Commits](https://github.com/seanmonstar/reqwest/compare/v0.9.19...v0.9.20)

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

metrics/Cargo.toml

@@ -13,7 +13,7 @@ env_logger = "0.6.2"
 influx_db_client = "0.3.6"
 lazy_static = "1.3.0"
 log = "0.4.8"
-reqwest = "0.9.19"
+reqwest = "0.9.20"
 solana-sdk = { path = "../sdk", version = "0.18.0-pre2" }
 sys-info = "0.5.7"