Bump serde_derive from 1.0.92 to 1.0.93 (#4790)

Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.92 to 1.0.93.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.92...v1.0.93)

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

kvstore/Cargo.toml

@@ -16,7 +16,7 @@ crc = "1.8.1"
 memmap = "0.7.0"
 rand = "0.6.5"
 serde = "1.0.93"
-serde_derive = "1.0.92"
+serde_derive = "1.0.93"
 
 [dev-dependencies]
 tempfile = "3.0.8"