chore: bump spark-evaluate from 534454 to 2a9546

[bajtos]

It seems that Dependabot is no longer able to update this git-based dependency
after we introduced the monorepo layout in #118.

See e.g. this log: https://github.com/filecoin-station/spark-stats/network/updates/841403106

updater | 2024/06/13 07:24:55 INFO <job_841403106> Updating spark-evaluate from 534454c9b2323b67d50b159a3504de8a06eedcb2 to 9e175400652623f19569eecfd97706a77084ff36
updater | 2024/06/13 07:24:55 ERROR <job_841403106> Error processing spark-evaluate (Dependabot::NpmAndYarn::FileUpdater::NoChangeError)
updater | 2024/06/13 07:24:55 ERROR <job_841403106> No files were updated!
updater | 2024/06/13 07:24:55 ERROR <job_841403106> 

[bajtos]

@juliangruber hindsight please 🙏🏻

[juliangruber]

strange. Lgtm!