bump babel-plugin-ember-template-compilation to version 4 in order to clear deprecation warning #334

Job	Run time
Slow tests: typescript with npm	1m 27s
Lint	12s
Slow tests: typescript with pnpm	47s
Slow tests: try-scenarios	2m 5s
Slow tests: defaults with npm	1m 17s
Slow tests: defaults with pnpm	1m 11s
Tests (monorepo with npm)	21s
Tests (declarations-configuration)	32s
Tests (rollup-build)	16s
Tests (addon-location)	22s
Tests (addon-only)	25s
Tests (monorepo with pnpm)	18s
Tests (test-app-location)	22s
	9m 35s

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