Bump solana-sysvar from 2.2.2 to 2.3.0 (#73)

Bumps [solana-sysvar](https://github.com/anza-xyz/solana-sdk) from 2.2.2 to 2.3.0.
- [Release notes](https://github.com/anza-xyz/solana-sdk/releases)
- [Commits](https://github.com/anza-xyz/solana-sdk/compare/[email protected]@v2.3.0)

---
updated-dependencies:
- dependency-name: solana-sysvar
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -51,7 +51,7 @@ solana-sdk = "2.3.0"
 solana-sdk-ids = "2.2.1"
 solana-slot-hashes = "2.2.1"
 solana-system-interface = "1"
-solana-sysvar = "2.2.1"
+solana-sysvar = "2.3.0"
 strum = "0.24"
 strum_macros = "0.24"
 test-case = "3.3.1"