Add full build pipeline for stage and 2201.x.x branch pull requests

[chiranSachintha]

Purpose

$title.

Fixes #

Approach

Describe how you are implementing the solutions along with the design details.

Samples

Provide high-level details about the samples related to this feature.

Remarks

List any other known issues, related PRs, TODO items, or any other notes related to the PR.

Check List

• Read the Contributing Guide
• Updated Change Log
• Checked Tooling Support (#)
• Added necessary tests
  • Unit Tests
  • Spec Conformance Tests
  • Integration Tests
  • Ballerina By Example Tests
• Increased Test Coverage
• Added necessary documentation
  • API documentation
  • Module documentation in Module.md files
  • Ballerina By Examples

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.39%. Comparing base (ff7837e) to head (cf28096).
Report is 86 commits behind head on 2201.11.0-stage.

Additional details and impacted files

@@                Coverage Diff                 @@
##             2201.11.0-stage   #43680   +/-   ##
==================================================
  Coverage              77.39%   77.39%           
- Complexity             58583    58590    +7     
==================================================
  Files                   3445     3445           
  Lines                 219112   219112           
  Branches               28967    28967           
==================================================
+ Hits                  169576   169591   +15     
+ Misses                 40113    40100   -13     
+ Partials                9423     9421    -2     

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