cargo: bump tokio-util from 0.7.7 to 0.7.8

Bumps [tokio-util](https://github.com/tokio-rs/tokio) from 0.7.7 to 0.7.8.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-util-0.7.7...tokio-util-0.7.8)

---
updated-dependencies:
- dependency-name: tokio-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -4933,9 +4933,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5427d89453009325de0d8f342c9490009f76e999cb7672d77e46267448f7e6b2"
+checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
 dependencies = [
  "bytes",
  "futures-core",

Cargo.toml

@@ -88,7 +88,7 @@ tokio = { version = "1", features = ["fs", "rt-multi-thread", "macros"] }
 tokio-io-timeout = "1.2.0"
 tokio-stream = { version = "0.1.14", features = ["fs"] }
 tokio-tar = { version = "0.3" } # TODO: integrate tokio into async-tar
-tokio-util = "0.7.7"
+tokio-util = "0.7.8"
 toml = "0.7"
 trust-dns-resolver = "0.22"
 url = "2"

deltachat-rpc-server/Cargo.toml

@@ -20,7 +20,7 @@ log = "0.4"
 serde_json = "1.0.96"
 serde = { version = "1.0", features = ["derive"] }
 tokio = { version = "1.27.0", features = ["io-std"] }
-tokio-util = "0.7.7"
+tokio-util = "0.7.8"
 yerpc = { version = "0.4.0", features = ["anyhow_expose"] }
 
 [features]