[Divang Sharma (divang)]

Description
This PR reverts #2920, which deprecated microsoft.sql.DateTimeOffset and introduced driver-specific APIs using java.time.OffsetDateTime.

The rollback is required for GA readiness to preserve the established public API and avoid introducing compatibility changes in the current release.

Changes
Removes the driver-specific getOffsetDateTime() APIs.
Removes the driver-specific setOffsetDateTime() APIs.
Removes the driver-specific updateOffsetDateTime() APIs.
Removes the deprecation of microsoft.sql.DateTimeOffset.
Removes deprecation annotations from the existing getDateTimeOffset(), setDateTimeOffset(), and updateDateTimeOffset() APIs.
Restores the associated tests to the legacy API behavior.
Removes the reverted feature entry from CHANGELOG.md.
Preserves standard JDBC support for getObject(..., OffsetDateTime.class) and existing conversion methods.
Motivation
Although the legacy APIs remained available, promoting OffsetDateTime as the canonical representation introduced externally observable API and behavior changes close to GA.

Reverting the change preserves compatibility with applications that currently depend on:

microsoft.sql.DateTimeOffset
Existing SQL Server-specific getters, setters, and update methods
Established datetimeoffset handling across prepared statements, callable statements, result sets, bulk copy, and Always Encrypted
The OffsetDateTime migration can be reconsidered in a future release with a dedicated compatibility and migration plan.

Related
Reverts #2920
Supersedes the metadata direction proposed in #3030 for the current GA release.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.59%. Comparing base (07ce121) to head (88b16a9).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3035      +/-   ##
============================================
+ Coverage     60.55%   60.59%   +0.03%     
+ Complexity     5258     5212      -46     
============================================
  Files           153      153              
  Lines         36808    36680     -128     
  Branches       6764     6732      -32     
============================================
- Hits          22289    22226      -63     
+ Misses        10736    10625     -111     
- Partials       3783     3829      +46     

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