build(deps): bump salvo_core from 0.81.0 to 0.84.1

Bumps [salvo_core](https://github.com/salvo-rs/salvo) from 0.81.0 to 0.84.1.
- [Release notes](https://github.com/salvo-rs/salvo/releases)
- [Commits](salvo-rs/salvo@v0.81.0...v0.84.1)

---
updated-dependencies:
- dependency-name: salvo_core
  dependency-version: 0.84.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -25,7 +25,7 @@ ntex = { version = "2", default-features = false, optional = true }
 poem = { version = "3", default-features = false, optional = true }
 rocket = { version = "0.5", default-features = false, optional = true }
 ryu = { version = "1", optional = true }
-salvo_core = { version = "0.81", default-features = false, optional = true }
+salvo_core = { version = "0.84", default-features = false, optional = true }
 tide = { version = "0.16", default-features = false, optional = true }
 warp = { version = "0.4", default-features = false, optional = true }