refactor: enable instanceof and strictBooleans rector set #12708

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 34s
Others (8.1) / Sanity Tests	2m 46s
Others (8.3) / Sanity Tests	2m 30s
SeparateProcess	1s
DatabaseLive	1s
CacheLive	1s
Upload coverage results to Coveralls	1s
	8m 55s

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