Removing old `fast-xml-parser` in favor of `@rgrove/parse-xml`

[svrooij]

old xml parser was broken and update did not work as expected

Description

Removing the fast-xml-parser in favor of @rgrove/parse-xml so everybody can safely install the next version of node-sonos-ts without any warnings about deprecated stuff

Your checklist for this pull request

🚨 Please review the guidelines for contributing to this repository.

• [X] Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your master!
• [X] Make sure you are making a pull request against the beta branch (left side). Also you should start your branch off svrooij/node-sonos-ts/beta.
• [X] Check the commit's or even all commits' message styles matches our requested structure.
• [X] Check your code additions will fail neither code linting checks nor unit test.
• [X] Check you add tests for added code.

💔 Thank you!

[coveralls]

Pull Request Test Coverage Report for Build 7817128057

• -13 of 106 (87.74%) changed or added relevant lines in 15 files are covered.
• 39 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-2.4%) to 78.6%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/sonos-event-listener.ts	1	2	50.0%
src/services/base-service.ts	32	34	94.12%
src/helpers/xml-helper.ts	40	50	80.0%
<!--	Total:	93	106	87.74%	-->

Files with Coverage Reduction	New Missed Lines	%
src/helpers/xml-helper.ts	1	83.57%
src/sonos-event-listener.ts	14	64.05%
src/sonos-device.ts	24	66.12%
<!--	Total:	39		-->

Totals
Change from base Build 5474567724:	-2.4%
Covered Lines:	1691
Relevant Lines:	2110

---

💛 - Coveralls

[github-actions[bot]]

:tada: This PR is included in version 2.6.0-beta.7 :tada:

The release is available on:

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

Your semantic-release bot :package::rocket: