Bump prometheus from 0.13.4 to 0.14.0

Bumps [prometheus](https://github.com/tikv/rust-prometheus) from 0.13.4 to 0.14.0.
- [Changelog](https://github.com/tikv/rust-prometheus/blob/master/CHANGELOG.md)
- [Commits](tikv/rust-prometheus@v0.13.4...v0.14.0)

---
updated-dependencies:
- dependency-name: prometheus
  dependency-version: 0.14.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -91,7 +91,7 @@ jf-vid = { version = "0.1.0", git = "https://github.com/EspressoSystems/jellyfis
 lazy_static = "1"
 log = { version = "0.4", optional = true }
 portpicker = { version = "0.1", optional = true }
-prometheus = { version = "0.13", default-features = false }
+prometheus = { version = "0.14", default-features = false }
 rand = { version = "0.8", optional = true }
 refinery = { version = "0.8", features = ["tokio-postgres"], optional = true }
 refinery-core = { version = "0.8", optional = true }