ext_time_quota_acl: convert to c++ #3630

Job	Run time
CodeQL-tests	36m 45s
functionality-tests	17m 0s
source-maintenance-tests	2m 52s
build-tests(ubuntu-22.04,gcc,default)	11m 29s
build-tests(ubuntu-22.04,gcc,minimal)	6m 29s
build-tests(ubuntu-22.04,gcc,maximus)	13m 27s
build-tests(ubuntu-22.04,clang,default)	13m 5s
build-tests(ubuntu-22.04,clang,minimal)	7m 17s
build-tests(ubuntu-22.04,clang,maximus)	16m 30s
build-tests(macos-14,clang,default)	12m 24s
build-tests(macos-14,clang,minimal)	8m 39s
build-tests(macos-14,clang,maximus)	12m 47s
	2h 38m 44s

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