chore(CI): Adjust testing matrix for Nextcloud 30 on main · nextcloud/mail@cd266bd

The following actions use a deprecated Node.js version and will be forced to run on node20: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

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Caution: `Vue` also has a named export `set`. Check if you meant to write `import {set} from 'vue'` instead

Caution: `Vue` also has a named export `set`. Check if you meant to write `import {set} from 'vue'` instead

'v-html' directive can lead to XSS attack

The "computed" property should be above the "mounted" property on line 480

The type 'EventComponent' is undefined