Set span status code

[NipunaMadhushan]

Purpose

$subject

Fixes #43464

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

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 77.56%. Comparing base (66f7b52) to head (91882d2).
Report is 332 commits behind head on master.

Files with missing lines	Patch %	Lines
.../ballerina/runtime/observability/tracer/BSpan.java	0.00%	2 Missing ⚠️
...ina/runtime/observability/tracer/TracingUtils.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #43558   +/-   ##
=========================================
  Coverage     77.55%   77.56%           
- Complexity    58722    58734   +12     
=========================================
  Files          3447     3447           
  Lines        219658   219662    +4     
  Branches      28915    28916    +1     
=========================================
+ Hits         170365   170380   +15     
+ Misses        39892    39891    -1     
+ Partials       9401     9391   -10     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests