Bump tokio from 0.2.25 to 1.8.4

Bumps [tokio](https://github.com/tokio-rs/tokio) from 0.2.25 to 1.8.4.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-0.2.25...tokio-1.8.4)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -21,7 +21,7 @@ serde = "1"
 serde_derive = "1"
 serde_json = "1"
 log = "0.4"
-tokio = { version = "0.2", features = ["full"] }
+tokio = { version = "1.8", features = ["full"] }
 tokio-rustls = "0.13"
 http = "0.2"
 hyper-rustls = "0.20"

api/Cargo.toml

@@ -22,7 +22,7 @@ log = "0.4"
 serde_derive = "1"
 serde_json = "1"
 chrono = "0.4.11"
-tokio = {version = "0.2", features = ["full"] }
+tokio = {version = "1.8", features = ["full"] }
 tokio-util = { version = "0.2", features = ["codec"] }
 walkdir = "2.3.1"