### 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.
### Does this PR have any customer impact?
No
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
Bugfix
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
No
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
We defaulted to PG16, but some parts were still left as 15.
### Does this PR have any customer impact?
No
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
Bugfix
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
No
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
building the project under debian 12 failed with dangling pointer warning. and error existing memory usage
optimization was using compiler dependent feature that should be removed.
### Does this PR have any customer impact?
No
### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
DevOps
### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
No
### Release Note (Refer [Template](../docs/release_notes/pgmongo_template.md))
### Description
Fix pg_ctl path for heliodb start/stop operations