chore(deps,substrait)!: bump substrait from 8f8d85e to 9870e88

Bumps [substrait](https://github.com/substrait-io/substrait) from `8f8d85e` to `9870e88`.
- [Release notes](https://github.com/substrait-io/substrait/releases)
- [Commits](substrait-io/substrait@8f8d85e...9870e88)

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updated-dependencies:
- dependency-name: substrait
  dependency-type: direct:production
...

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