build(deps): bump maunium.net/go/mautrix from 0.26.4 to 0.27.0 (#2557)

Bumps [maunium.net/go/mautrix](https://github.com/mautrix/go) from 0.26.4 to 0.27.0.
- [Release notes](https://github.com/mautrix/go/releases)
- [Changelog](https://github.com/mautrix/go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/mautrix/go/compare/v0.26.4...v0.27.0)

---
updated-dependencies:
- dependency-name: maunium.net/go/mautrix
  dependency-version: 0.27.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -47,7 +47,7 @@ require (
 	golang.org/x/time v0.15.0
 	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
-	maunium.net/go/mautrix v0.26.4
+	maunium.net/go/mautrix v0.27.0
 	modernc.org/sqlite v1.48.2
 	rsc.io/qr v0.2.0
 )