build(deps): bump hyper from 0.13.7 to 0.13.8

Bumps [hyper](https://github.com/hyperium/hyper) from 0.13.7 to 0.13.8.
- [Release notes](https://github.com/hyperium/hyper/releases)
- [Changelog](https://github.com/hyperium/hyper/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/hyper/compare/v0.13.7...v0.13.8)

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

Cargo.lock

@@ -1145,6 +1145,12 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
+[[package]]
+name = "httpdate"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "494b4d60369511e7dea41cf646832512a94e542f68bb9c49e54518e0f468eb47"
+
 [[package]]
 name = "humantime"
 version = "1.3.0"
@@ -1156,9 +1162,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.13.7"
+version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e68a8dd9716185d9e64ea473ea6ef63529252e3e27623295a0378a19665d5eb"
+checksum = "2f3afcfae8af5ad0576a31e768415edb627824129e8e5a29b8bfccb2f234e835"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1168,10 +1174,10 @@ dependencies = [
  "http",
  "http-body",
  "httparse",
+ "httpdate",
  "itoa",
  "pin-project",
  "socket2",
- "time",
  "tokio",
  "tower-service",
  "tracing",

zebrad/Cargo.toml

@@ -20,7 +20,7 @@ toml = "0.5"
 chrono = "0.4"
 rand = "0.7"
 
-hyper = "0.13.7"
+hyper = "0.13.8"
 futures = "0.3"
 tokio = { version = "0.2.22", features = ["time", "rt-threaded", "stream", "macros", "tracing", "signal"] }
 tower = "0.3"