### Does this PR have any customer impact?
No
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
Refactor
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
Yes(ish)
### Are you introducing any new config? If yes, do you have tests with and without them being set?
No
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
Introduce pg_helio_distributed for distribution hooks and make pgmongo depend on that.
Also makes the rum_join_scan loading of private rum bits optional
----
#### AI description (iteration 1)
#### PR Classification
New feature: Introduce Helio Distributed Extension
#### PR Summary
This pull request introduces the Helio Distributed Extension, which adds distributed execution capabilities to the Helio system.
- Removed `shard_colocation.c` from `/pgmongo/src/distribution/` and added `distributed_hooks.c` in `/oss/private/pg_helio_distributed/src/distribution/`.
- Updated `api_hook_impl.c` to use new distributed hooks.
- Added new Makefile and build scripts for the Helio Distributed Extension in `/oss/private/pg_helio_distributed/`.
- Introduced new test validation scripts and configurations in `/oss/private/pg_helio_distributed/src/test/regress/`.
- Updated `pgmongo` Makefile to include the new distributed extension.
### Does this PR have any customer impact?
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
### Are you introducing any new config? If yes, do you have tests with and without them being set?
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
Chmod +x all scripts
### Does this PR have any customer impact?
No
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
TSG
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
### Are you introducing any new config? If yes, do you have tests with and without them being set?
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
This change introduces a section in the SOP that includes a script enabling simultaneous updates across multiple accounts under the same subscription.
Vinod Sridharan
Santiago Fernandez Madero
Aditya Kotalwar