Add maxHeaderSize config for server side

[dilanSachi]

Purpose

$subject
Fixes ballerina-platform/ballerina-library#5969

For now, I have only added support for server side header size configuration as http2 does not support the client side yet. This is tracked in ballerina-platform/ballerina-library#5992

Examples

Checklist

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

[daneshk]

LGTM

[sonarqubecloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
2.6% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (55f05ed) 80.68% compared to head (c93685e) 80.65%.

Files	Patch %	Lines
...ballerina/stdlib/grpc/ClientConnectorListener.java	25.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1531      +/-   ##
============================================
- Coverage     80.68%   80.65%   -0.03%     
- Complexity        0       56      +56     
============================================
  Files            76       80       +4     
  Lines          5477     5660     +183     
  Branches       1275     1322      +47     
============================================
+ Hits           4419     4565     +146     
- Misses          657      676      +19     
- Partials        401      419      +18     

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