Add support for xml plist

[the8tre]

Checks

• I've checked there are no linting errors.
• I've checked the code is still at 100% test coverage.

Added Actions (if relevant)

Are you happy to be listed as a contributor on Shortcuts.fun?

Yes

Any other information / comments

That PR only updates the shortcut parser. See #541
I'll get into the details of contribution when/if I contribute to new actions

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
0 Code Smells

No Coverage information
No Duplication information

[KilianKilmister]

Was just about to make a PR for this aswell. Looks Fine to me.

[joshfarrant]

Thanks both!

I'm not with my laptop at the moment so I'll take a proper look at this early next week.