Update Alt Text for Page Card Icon Image

[jenjenkayi]

Fixes #6800

What changes did you make?

• added alt text for page card icon image.

Why did you make the changes (we will use this info to test)?

• provide clear and descriptive alt text on the SiteMap page so that we adhere to the Web Content Accessibility Guidelines (WCAG).

Screenshots of Proposed Changes Of The Website (if any, please do not screen shot code changes)

• added alt text. No visual changes to the website.

[github-actions]

Want to review this pull request? Take a look at this documentation for a step by step guide!

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From your project repository, check out a new branch and test the changes.

git checkout -b jenjenkayi-update-alt-text-6800 gh-pages
git pull https://github.com/jenjenkayi/website.git update-alt-text-6800

[del9ra]

Review ETA: 11 PM 5/23/24
Availability: 1-4 PM Friday

[smendoza07]

Review ETA: 11:59 PM 5/26/24
Availability: 7-9 PM Saturday-Sunday

[del9ra]

Hi @jenjenkayi,

• The branching was done correctly
• the Issue number was listed
• alt="" in code while show up as alt when using developer tools 
• SiteMap page stays the same after the change
• The PR title is descriptive of the changes
• The PR request clearly states what and why was updated
  Thank you! Great job!

[aidanwsimmons]

hey @jenjenkayi

• branches look good
• issue linked
• clear descriptions for changes
• changes appropriately address the issues action item
  Nice job- Approved!