docs(idempotency): fix descriptions in Advanced table

[garysassano]

Summary

Changes

Please provide a summary of what's being changed

• Aligned all descriptions in the Advanced table with Powertools for AWS Lambda (Python)
• Improved the description for payloadValidationJmespath to make it more clear

Please add the issue number below, if no issue is present the PR might get blocked and not be reviewed

Issue number: #3098

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[boring-cyborg]

Thanks a lot for your first contribution! Please check out our contributing guidelines and don't hesitate to ask whatever you need.
In the meantime, check out the #typescript channel on our Powertools for AWS Lambda Discord: Invite link

[github-actions]

No related issues found. Please ensure there is an open issue related to this change to avoid significant delays or closure.

[dreamorosi]

Thank you for opening the PR!

I have left a comment in one of the fields that I'd like to reword.

Also, the automation is complaining because the PR doesn't have any linked issue. Please open one and I'll link them. For future reference, here you have the process for contributions.

[garysassano]

@dreamorosi I implemented your suggestion, and opened a PR to fix also Python's docs: aws-powertools/powertools-lambda-python#5191

[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 SonarCloud

[boring-cyborg]

Awesome work, congrats on your first merged pull request and thank you for helping improve everyone's experience!