chore(deps): bump solang-parser from f850719 to b286b63 (#896)

Bumps [solang-parser](https://github.com/hyperledger-labs/solang) from `f850719` to `b286b63`.
- [Release notes](https://github.com/hyperledger-labs/solang/releases)
- [Commits](hyperledger-solang/solang@f850719...b286b63)

---
updated-dependencies:
- dependency-name: solang-parser
  dependency-type: direct:production
...

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