🎨 Make `apply` work with types that implement the tuple protocol #959

Job	Run time
valgrind	5m 36s
mutate	5m 38s
sanitize (thread, gcc)	4m 41s
sanitize (thread, clang)	5m 48s
sanitize (address, gcc)	4m 48s
sanitize (undefined, gcc)	4m 59s
sanitize (address, clang)	5m 44s
quality_checks_pass	53s
build_and_test_24 (clang, 20, 23, libc++, Debug)	6m 51s
build_and_test_24 (clang, 18, 23, libc++, Debug)	7m 20s
build_and_test_24 (gcc, 12, 23, libstdc++, Debug)	4m 27s
build_and_test_24 (clang, 18, 23, libstdc++, Debug)	5m 35s
build_and_test_24 (clang, 21, 23, libc++, Debug)	6m 3s
build_and_test_24 (gcc, 13, 23, libstdc++, Debug)	4m 36s
build_and_test_24 (clang, 22, 23, libc++, Debug)	6m 28s
build_and_test_24 (clang, 20, 23, libstdc++, Debug)	5m 47s
build_and_test_24 (clang, 22, 23, libstdc++, Debug)	5m 39s
build_and_test_24 (clang, 19, 23, libstdc++, Debug)	5m 40s
build_and_test_24 (gcc, 14, 23, libstdc++, Debug)	5m 8s
build_and_test_24 (clang, 21, 23, libstdc++, Debug)	6m 17s
build_and_test_24 (clang, 19, 23, libc++, Debug)	6m 28s
sanitize (undefined, clang)	5m 57s
merge_ok	4s
	2h 0m 27s

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