Add `generate` operator #3584

Job	Run time
quint-antlr-grammar	25s
quint-examples-dashboard (ubuntu-latest)	5m 30s
quint-integration-tests (ubuntu-latest)	5m 19s
quint-examples-dashboard (macos-latest)	3m 10s
quint-linting	29s
quint-integration-tests (macos-latest)	3m 26s
quint-test-generated-up-to-date	1m 12s
quint-integration-tests (windows-latest)	5m 20s
quint-unit-tests (ubuntu-latest)	53s
quint-vscode-linting	1m 35s
quint-unit-tests (macos-latest)	42s
quint-vscode-plugin (ubuntu-latest)	3m 29s
quint-unit-tests (windows-latest)	1m 22s
quint-vscode-plugin (macos-latest)	3m 58s
	36m 50s

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