fix(deps): update module maunium.net/go/mautrix to v0.13.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
maunium.net/go/mautrix	require	minor	v0.12.4 -> v0.13.0

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Release Notes

mautrix/go

v0.13.0

Compare Source

• Breaking change: Removed IsTyping and SetTyping in appservice.StateStore
  and removed the TypingStateStore struct implementing those methods.
• Breaking change: Removed legacy fields in Beeper MSS events.
• Added knocked rooms to sync response structs.
• Added wrapper for /timestamp_to_event endpoint added in Matrix v1.6.
• Fixed MSC3870 uploads not failing properly after using up the max retry count.
• Fixed parsing non-positive ordered list start positions in HTML parser.

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