[Feature]: Support for AWS_PROFILE

[JuHyung-Son]

Checklist

• I've searched for similar issues and couldn't find anything matching
• I've discussed this feature request in the K8sGPT Slack and got positive feedback

Is this feature request related to a problem?

None

Problem Description

when using aws integration, Entering AWS_ACCESS_KEY every time is cumbersome.Support for AWS_PROFILE to make it easier to use AWS integrations.

Solution Description

if AWS_ACCESS_KEY env is set, use it. if not, read AWS_PROFILE. if AWS_PROFILE is not set, use "default".

Benefits

easy to use aws integration

Potential Drawbacks

No response

Additional Information

No response