[2201.1.x Backport] Add support for XA transaction

[niveathika]

Purpose

$subject

Master branch PR: #467
Related to ballerina-platform/ballerina-library#3642

Examples

Enable the XA datasource using useXADatasource option

oracledb:Client dbClient = check new ("localhost", "admin", "password", "xe", 1521, options = {useXADatasource: true});

Checklist

• Linked to an issue
• Updated the specification
• Updated the changelog
• Added tests -> Manually tested due to a constraint in Oracle Docker
• Checked native-image compatibility

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (2201.1.x@422159b). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##             2201.1.x     #470   +/-   ##
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  Coverage            ?   85.33%           
  Complexity          ?      182           
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  Files               ?       16           
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  Branches            ?      137           
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  Hits                ?      553           
  Misses              ?       52           
  Partials            ?       43           

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