Update Rust crate tokio to v1.28.0 (#6388)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -83,7 +83,7 @@ tar = "=0.4.38"
 tempfile = "=3.5.0"
 thiserror = "=1.0.40"
 threadpool = "=1.8.1"
-tokio = { version = "=1.27.0", features = ["net", "signal", "io-std", "io-util", "rt-multi-thread", "macros"]}
+tokio = { version = "=1.28.0", features = ["net", "signal", "io-std", "io-util", "rt-multi-thread", "macros"]}
 toml = "=0.7.3"
 tower = "=0.4.13"
 tower-http = { version = "=0.4.0", features = ["fs", "catch-panic"] }
@@ -96,7 +96,7 @@ cargo-registry-index = { path = "cargo-registry-index", features = ["testing"] }
 claims = "=0.7.1"
 hyper-tls = "=0.5.0"
 insta = { version = "=1.29.0", features = ["redactions", "yaml"] }
-tokio = "=1.27.0"
+tokio = "=1.28.0"
 tower-service = "=0.3.2"
 
 [build-dependencies]