Fix auth being not passed in service config

[AzeemMuzammil]

Purpose

$title.
Fixes: ballerina-platform/ballerina-library#8419

Examples

Checklist

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

[Copilot]

Pull Request Overview

This PR fixes authentication configuration by properly passing auth settings in service configurations and updating MCP library version to 1.0.2. The changes ensure auth configuration is correctly applied across all clients and servers.

• Updates MCP library dependency from version 1.0.1 to 1.0.2 across all example projects
• Fixes auth configuration not being passed in HTTP client and service configurations
• Updates certificate and private key files with corrected paths and new certificates

Reviewed Changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
ballerina/streamable_http.bal	Refactors HTTP response handling logic and improves error status code validation
ballerina/dispatcher_service.bal	Adds authentication calls to HTTP resource methods
examples/clients/mcp-shopping-client/main.bal	Adds comprehensive JWT authentication configuration for HTTP client
examples/servers/mcp-shopping-server/main.bal	Updates JWT configuration with corrected certificate path and audience
Various .toml files	Updates MCP library version to 1.0.2 and dependency versions
Certificate/key files	Replaces old certificates with new ones and corrects file paths

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[codecov]

Codecov Report

❌ Patch coverage is 38.46154% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.49%. Comparing base (05b337b) to head (84c02ea).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
ballerina/streamable_http.bal	45.45%	6 Missing ⚠️
ballerina/dispatcher_service.bal	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #33      +/-   ##
============================================
- Coverage     17.60%   17.49%   -0.11%     
  Complexity        3        3              
============================================
  Files            15       15              
  Lines           642      646       +4     
  Branches        170      171       +1     
============================================
  Hits            113      113              
- Misses          528      532       +4     
  Partials          1        1              

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[MohamedSabthar]

@AzeemMuzammil Let's link the issues. Changes LGTM.