change div to aside tag and add aria-label to contain campaign banner…

[crisbnp]

What type of PR is this? (check all applicable)

• Refactor
• Feature
• Bug Fix
• Optimization
• Documentation Update

Description

Change div tag to aside tag with aria-label for Campaign Banner wrapper.
No error when running the axe dev tools.

Related Tickets & Documents

#14882

QA Instructions, Screenshots, Recordings

Please replace this line with instructions on how to test your changes, a note
on the devices and browsers this has been tested on, as well as any relevant
images for UI changes.

UI accessibility concerns?

This resolves an accessibility concern!

Added/updated tests?

• Yes
• No, and this is why: I am not sure if there is any related tests.
• I need help with writing tests

[Forem core team only] How will this change be communicated?

Will this PR introduce a change that impacts Forem members or creators, the
development process, or any of our internal teams? If so, please note how you
will share this change with the people who need to know about it.

• I've updated the Developer Docs or
  Storybook (for Crayons components)
• This PR changes the Forem platform and our documentation needs to be
  updated. I have filled out the
  Changes Requested
  issue template so Community Success can help update the Admin Docs
  appropriately.
• I've updated the README or added inline documentation
• I've added an entry to
  CHANGELOG.md
• I will share this change in a Changelog
  or in a forem.dev post
• I will share this change internally with the appropriate teams
• I'm not sure how best to communicate this change and need help
• This change does not need to be communicated, and this is why not: this change, while highly impactful, does not need to be communicated across the Forem team, since it resolves an axe warning.

[optional] Are there any post deployment tasks we need to perform?

N/A

[optional] What gif best describes this PR or how it makes you feel?

[CLAassistant]

All committers have signed the CLA.

[github-actions]

Thank you for opening this PR! We appreciate you!

For all pull requests coming from third-party forks we will need to
review the PR before we can process it through our CI pipelines.

A Forem Team member will review this contribution and get back to
you as soon as possible!

[aitchiss]

Nice! Gave this a test locally and it all seems good to me 😄

[crisbnp]

Amazing!! Thanks @aitchiss and @msarit 😁