build(deps): bump spl-collections from 0.1.1 to 0.1.2 (#396)

Bumps [spl-collections](https://github.com/solana-program/libraries) from 0.1.1 to 0.1.2.
- [Release notes](https://github.com/solana-program/libraries/releases)
- [Commits](https://github.com/solana-program/libraries/compare/collections@v0.1.1...collections@v0.1.2)

---
updated-dependencies:
- dependency-name: spl-collections
  dependency-version: 0.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]