Bump serde_json from 1.0.46 to 1.0.48 (#8260)

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.46 to 1.0.48.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.46...v1.0.48)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

ledger-tool/Cargo.toml

@@ -12,7 +12,7 @@ homepage = "https://solana.com/"
 bs58 = "0.3.0"
 clap = "2.33.0"
 histogram = "*"
-serde_json = "1.0.46"
+serde_json = "1.0.48"
 serde_yaml = "0.8.11"
 solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
 solana-ledger = { path = "../ledger", version = "1.1.0" }