Update dependency aleksis-app-matrix to v2

This MR contains the following updates:

Package	Type	Update	Change
aleksis-app-matrix (source)	dependencies	major	~1.0 -> ~2.0

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Release Notes

AlekSIS/official/AlekSIS-App-Matrix

v2.0

Compare Source

Fixed

* The Matrix groups and rooms threw a 404 error.
* The Matrix parent menu point was displayed even though the user had no permission to see it.

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