[SB T2 javadoc bus bash ] javadoc / samples updates (Azure#18101)

* Changes absed bug bash on javadoc

Release azure cosmos 4.9.0 (Azure#18088)

* Added Beta warning text to the APIs

* Updated Warning text on all Beta APIs

* Updated versions for release azure-cosmos 4.9.0 and azure-spring-data-cosmos 3.2.0

* Added beta tags to Transactional Batch APIs

* Added beta tag to getRegionsContacted API

Merge aed042b into 4c09b6c

Merge 78c6f5c into 0e377a8

Merge 9a2c210 into 0e377a8

Merge 1eb4a86 into 0e377a8

Sync eng/common directory with azure-sdk-tools repository for Tools P…

…R 1270

Merge fafe707 into c229944

Release azure cosmos 4.9.0 (Azure#18088)

* Added Beta warning text to the APIs

* Updated Warning text on all Beta APIs

* Updated versions for release azure-cosmos 4.9.0 and azure-spring-data-cosmos 3.2.0

* Added beta tags to Transactional Batch APIs

* Added beta tag to getRegionsContacted API

Merge 08dbf25 into c229944