Bump log from 0.4.11 to 0.4.14

Bumps [log](https://github.com/rust-lang/log) from 0.4.11 to 0.4.14.
- [Release notes](https://github.com/rust-lang/log/releases)
- [Changelog](https://github.com/rust-lang/log/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/log/compare/0.4.11...0.4.14)

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

sync-server/Cargo.toml

@@ -14,7 +14,7 @@ futures = "^0.3.8"
 serde = "^1.0.125"
 kv = {version = "^0.10.0", features = ["msgpack-value"]}
 clap = "^2.33.0"
-log = "^0.4.11"
+log = "^0.4.14"
 env_logger = "^0.8.2"
 
 [dev-dependencies]