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Shuai Tian 597852a2c6 Merged PR 1694353: Move $bucketAuto to schema 105
### 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?

### ChangeLog (Refer [Template](../oss/CHANGELOG.md))

### Description
Move bucketAuto to schema 105

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#### AI description  (iteration 1)
#### PR Classification
This pull request introduces a schema migration for the `$bucketAuto` aggregation stage, moving its support from schema 104 to schema 105.

#### PR Summary
The changes update documentation, SQL scripts, and test configuration to reflect the migration of `$bucketAuto` support to the new schema.
- `pgmongo/sql/pgmongo--1.104-0--1.105-0.sql`: Added inclusion of the new `$bucketAuto` UDF file for schema 105.
- `oss/pg_documentdb/sql/documentdb--0.104-0--0.105-0.sql`: New file added to include `$bucketAuto` support for the updated schema.
- `oss/CHANGELOG.md` and release notes files: Updated to move the `$bucketAuto` aggregation stage support from the previous schema version to the new release notes for schema 105.
- Several test CSV files under `/gateway/managed/Tests.Integration.Shell.Postgres` were updated to reflect the new schema version.
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2025-06-05 10:31:32 +08:00
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