build(deps): bump solana-sysvar from 2.3.0 to 3.0.0

Bumps [solana-sysvar](https://github.com/anza-xyz/solana-sdk) from 2.3.0 to 3.0.0.
- [Release notes](https://github.com/anza-xyz/solana-sdk/releases)
- [Commits](https://github.com/anza-xyz/solana-sdk/compare/[email protected]@v3.0.0)

---
updated-dependencies:
- dependency-name: solana-sysvar
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]