Merge pull request #34 from matrix-org/bbz/excalidraw #188

Job	Run time
build-push-base / build-push	26s
build-push-excalidraw / build-push	32s
build-push-prosody / build-push	44s
build-push-web / build-push	33s
build-push-base-java / build-push	39s
build-push-jibri / build-push	2m 35s
build-push-jvb / build-push	52s
build-push-jicofo / build-push	30s
build-push-jigasi / build-push	37s
	7m 28s

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