Bump serde from 1.0.102 to 1.0.103 (#7163)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.102 to 1.0.103.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.102...v1.0.103)

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

core/Cargo.toml

@@ -38,7 +38,7 @@ num-traits = "0.2"
 rand = "0.6.5"
 rand_chacha = "0.1.1"
 rayon = "1.2.0"
-serde = "1.0.102"
+serde = "1.0.103"
 serde_derive = "1.0.103"
 serde_json = "1.0.42"
 solana-budget-program = { path = "../programs/budget", version = "0.22.0" }