Render events as extensible events (behind labs) (#7462)

* Render events as extensible events (behind labs)

* Include the SDK

* Appease linter

* Update for changed property name

* Fix formatting error

* Fix branch matching for build steps

* Update SDK

* Update scripts/fetchdep.sh

Co-authored-by: Andy Balaam <andyb@element.io>

Co-authored-by: Andy Balaam <andyb@element.io>

package.json

@@ -89,6 +89,7 @@
     "lodash": "^4.17.20",
     "maplibre-gl": "^1.15.2",
     "matrix-analytics-events": "https://github.com/matrix-org/matrix-analytics-events.git#1eab4356548c97722a183912fda1ceabbe8cc7c1",
+    "matrix-events-sdk": "^0.0.1-beta.2",
     "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.18",
     "minimist": "^1.2.5",