Add xwayland dependency to pacscript

[IceShuttle]

xwayland-satellite requires xwayland to work

[Elsie19]

Fix the title to conform to our standards, as explained in our docs¹². You can also look at past PRs³⁴ to get an idea of how to format the title if you're unsure.

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Footnotes

1. https://github.com/pacstall/pacstall/wiki/101.5-Maintaining-a-Package#updating-your-package:~:text=upd(pkgname)%3A%20%60oldver%60%20-%3E%20%60newver%60 ↩

2. https://github.com/pacstall/pacstall/wiki/101.4-Submitting-a-Pacscript#how-to-create-a-valid-pr:~:text=make%20the%20title%3A-,add%3A%20%60pkgname%60,-We%20use%20Conventional ↩

3. https://github.com/pacstall/pacstall-programs/pulls?q=is%3Apr+sort%3Aupdated-desc+label%3A%22Update+Package%22+is%3Amerged ↩

4. https://github.com/pacstall/pacstall-programs/pulls?q=is%3Apr+sort%3Aupdated-desc+label%3A%22Package+Add%22+is%3Amerged ↩