feat(cat-gateway): Add autogenerated cassandra schema version and sync status tables.

[stevenj]

Description

• Autogenerate the schema version for Cassandra.
• Check in CI if it has changed unintentionally.
• Add the Sync Status tables to the index db.
• Clean up how blake2b hashes are generated by moving everything to a utility module.

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[github-actions]

✅ Test Report | ${\color{lightgreen}Pass: 272/272}$ | ${\color{red}Fail: 0/272}$ |

[Mr-Leshiy]

Despite one small comment LGTM

[stevenj]

Docs are broken upstream.
I have replaced the necessary version in both catalyst-forge and catalyst-ci, but neither seem to be taking effect.
Force merging, as this CI breakage is outside of our control, and everything else seems to work.