chore(deps): Bump prometheus from 0.13.3 to 0.13.4 (#442)

Bumps [prometheus](https://github.com/tikv/rust-prometheus) from 0.13.3 to 0.13.4.
- [Changelog](https://github.com/tikv/rust-prometheus/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tikv/rust-prometheus/compare/v0.13.3...v0.13.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gaius <gaius.qi@gmail.com>

Cargo.lock

@@ -2960,9 +2960,9 @@ dependencies = [
 
 [[package]]
 name = "prometheus"
-version = "0.13.3"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "449811d15fbdf5ceb5c1144416066429cf82316e2ec8ce0c1f6f8a02e7bbcf8c"
+checksum = "3d33c28a30771f7f96db69893f78b857f7450d7e0237e9c8fc6427a81bae7ed1"
 dependencies = [
  "cfg-if",
  "fnv",

dragonfly-client/Cargo.toml

@@ -61,7 +61,7 @@ opentelemetry = { version = "0.18.0", default-features = false, features = ["tra
 opentelemetry-jaeger = { version = "0.17.0", features = ["rt-tokio"] }
 pprof = { version = "0.13", features = ["flamegraph", "protobuf-codec"] }
 lazy_static = "1.4"
-prometheus = "0.13.3"
+prometheus = "0.13.4"
 tonic-health = "0.9.2"
 tonic-reflection = "0.9.2"
 bytes = "1.4"