Bump version to 0.18.1 (#3236) #5342

Job	Run time
examples-test / Test Example Apps (websockets-realtime-voting)	7m 11s
deploy-test / Deploy Wasp app	5m 40s
formatting / ormolu	23s
formatting / prettier	33s
examples-test / Test Example Apps (waspleau)	7m 20s
tsspec-test / Test wasp-config	22s
waspc-build / build (macos-x86_64)	11m 18s
waspc-build / build (macos-aarch64)	7m 8s
examples-test / Test Example Apps (tutorials/TodoApp)	5m 44s
waspc-build / build (linux-x86_64)	4m 35s
waspc-test / Build Wasp (windows-latest, latest)	21m 10s
starters-test / Test wasp-config	6m 52s
waspc-test / Build Wasp (ubuntu-22.04, 24)	17m 26s
examples-test / Test Example Apps (waspello)	7m 36s
waspc-build / build (linux-x86_64-static)	4m 16s
examples-test / Test Example Apps (tutorials/TodoAppTs)	5m 41s
waspc-test / Build Wasp (ubuntu-22.04, 22)	14m 23s
waspc-test / Build Wasp (ubuntu-22.04, latest)	15m 10s
waspc-test / Build Wasp (macos-13, latest)	13m 6s
deploy-test / Run smoke tests on deployed app	2s
deploy-test / Clean up deployed Fly app	6s
waspc-build / build-universal	37s
	2h 36m 39s

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