Pins Xtext to v2.36.0 and MWE2 to v2.19.0 #513

Job	Run time
create-splash-image	5s
collect-github-api-artifacts	7s
build-linux-dev-hipe	10m 2s
build-linux-dev-ci	7m 35s
build-linux-dev	9m 45s
build-linux-user	11m 14s
build-linux-user-ci	7m 55s
build-macos-arm-dev	15m 15s
build-macos-arm-dev-hipe	13m 30s
build-macos-arm-user	20m 57s
build-macos-dev	27m 13s
build-macos-dev-hipe	24m 37s
build-macos-user	24m 28s
build-windows-dev	20m 17s
build-windows-dev-hipe	18m 21s
build-windows-user	22m 27s
create-release	0s
	3h 53m 48s

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