build(deps): bump solana-program-entrypoint from 3.1.0 to 3.1.1 (#171)

Bumps [solana-program-entrypoint](https://github.com/anza-xyz/solana-sdk) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/anza-xyz/solana-sdk/releases)
- [Commits](https://github.com/anza-xyz/solana-sdk/compare/cpi@v3.1.0...bn254@v3.1.1)

---
updated-dependencies:
- dependency-name: solana-program-entrypoint
  dependency-version: 3.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]