Update programmatically-determined-link-context.md

[sujisreerama]

Updated the glossary section to remove 'aria-decribedby' and changed the description from 'set of all elements' to 'link's accessible description, combined with the set of all elements'

<< Describe the changes >>

Closes issue(s):

• closes Should rules about link's name (b20e66, 5effbb, aizyf1, fd3a94) consider the title attribute? #1766

Need for Call for Review:
This will not require a Call for Review << choose reason(s): editorial changes (including to the applicability, expectation or examples section), changes to assumptions, background, accessibility support, change to website/test code (not rule), other (explain). >>

---

After creating PR:

• Link the PR to any issue it solves. This will be done automatically by referencing the issue at the top of this comment in the indicated place.
• Optionally request feedback from anyone in particular by assigning them as "Reviewers".

When merging a PR:

• Close any issue that the PR resolves. This will happen automatically upon merging if the PR was correctly linked to the issue, e.g. by referencing the issue at the top of this comment.

[netlify]

✅ Deploy Preview for act-rules ready!

Name	Link
🔨 Latest commit	573482c
🔍 Latest deploy log	https://app.netlify.com/projects/act-rules/deploys/68be3b82dce00f0008cf8414
😎 Deploy Preview	https://deploy-preview-2341--act-rules.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[CLAassistant]

All committers have signed the CLA.

[kengdoj]

Add accessible name also

[sujisreerama]

Made changes as requested by Kathy.