Fix the mTLS failure when using certs and keys in HTTP2

[Bhashinee]

Purpose

Fixes: ballerina-platform/ballerina-library#4890

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests
• Updated the spec
• Checked native-image compatibility

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (21ce4a3) 81.62% compared to head (3bbe8b4) 81.64%.
Report is 28 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1773      +/-   ##
============================================
+ Coverage     81.62%   81.64%   +0.01%     
  Complexity      562      562              
============================================
  Files           394      394              
  Lines         21352    21354       +2     
  Branches       4779     4780       +1     
============================================
+ Hits          17429    17434       +5     
- Misses         2937     2939       +2     
+ Partials        986      981       -5     

Files	Coverage Δ
...ort/contractimpl/common/ssl/SSLHandlerFactory.java	87.36% <100.00%> (+0.14%)	⬆️

... and 12 files with indirect coverage changes

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
2.6% Duplication