Bump contracts/lib/openzeppelin-contracts from dbb6104 to 530179a

Bumps [contracts/lib/openzeppelin-contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from `dbb6104` to `530179a`.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Commits](OpenZeppelin/openzeppelin-contracts@dbb6104...530179a)

---
updated-dependencies:
- dependency-name: contracts/lib/openzeppelin-contracts
  dependency-type: direct:production
...

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