docs(parser): fix highlighted line

[michael-k]

Issue number: #2079

Summary

Changes

Please provide a summary of what's being changed

Highlight line with event_parser decorator instead of empty line.

https://awslabs.github.io/aws-lambda-powertools-python/2.11.0/utilities/parser/#parsing-events

User experience

Please share what the user experience looks like before and after this change

Before:

After:

Checklist

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• Meet tenets criteria
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented
• PR title follows conventional commit semantics

Is this a breaking change?

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

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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 #python channel on our AWS Lambda Powertools Discord: Invite link

[rubenfonseca]

Thank you so much for your contribution @michael-k! As stated in our CONTRIBUTING guide all pull requests require an Issue first. So I went ahead and created one for you.

I've also took the change to fix another highlight that was incorrect on that page.

Thank you for your contribution!

[boring-cyborg]

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