feat: APPS-2555 convert PageAnchor to vue 3

[farosFreed]

Connected to APPS-2555

Component Created: PageAnchor.vue

Stories: ~/stories/PageAnchor.stories.js

Spec: ~/stories/PageAnchor.spec.js

Notes:

Seems to be working in storybook, different color underlines are showing

Checklist:

• [X ] I checked that it is working locally in the dev server
• [X ] I checked that it is working locally in the storybook
• [X ] I checked that it is working locally in the library-website-nuxt dev server
• [ ] I added a screenshot of it working
• [ ] UX has reviewed and approved this
• [ ] I assigned this PR to someone on the dev team to review
• [ X] I used a conventional commit message
• [X ] I assigned myself to this PR

[github-actions[bot]]

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[github-actions[bot]]

🚀 Deployed on https://deploy-preview-488--ucla-library-storybook-vue3x.netlify.app

[pghorpade]

:tada: This PR is included in version 2.39.0-alpha.63 :tada:

The release is available on:

• npm package (@alpha dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: