feat(parser): add support for sourceIp with ipv6 and port

[leandrodamascena]

Issue number: closes #7288

Summary

Changes

This PR add supports for IPV6 address with port (e.g., 10.1.15.242:39870) in APIGateway models.

User experience

from aws_lambda_powertools.utilities.parser import event_parser
from aws_lambda_powertools.utilities.parser.models import APIGatewayProxyEventV2Model
from aws_lambda_powertools.utilities.typing import LambdaContext


@event_parser
def lambda_handler(event: APIGatewayProxyEventV2Model, context: LambdaContext):
    # Access sourceIp - now works with both formats:
    # - Standard IP: "fe80::1ff:fe23:4567:890a" 
    # - IP with port: "[fe80::1ff:fe23:4567:890a]:12345"
    source_ip = event.requestContext.http.sourceIp
    
    print(f"Request from: {source_ip}")
    
    return {
        'statusCode': 200,
        'body': f'Hello from {source_ip}!'
    }

---

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.36%. Comparing base (0eb5cb8) to head (6938708).
⚠️ Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7351   +/-   ##
========================================
  Coverage    96.36%   96.36%           
========================================
  Files          275      275           
  Lines        13003    13007    +4     
  Branches       966      968    +2     
========================================
+ Hits         12530    12534    +4     
  Misses         366      366           
  Partials       107      107           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud