CppRef<T> changes. #2307

Job	Run time
Test forcing wrapper generation	7m 53s
Address Sanitizer	19m 59s
Test Rust nightly	12m 35s
Examples Rust nightly	3m 48s
Test Rust beta	10m 1s
Test Rust stable	10m 32s
Examples Rust beta	3m 32s
Test macOS	17m 17s
Examples Rust stable	3m 43s
Test Windows (msvc)	19m 57s
Examples macOS	5m 48s
Examples Windows (gnu)	7m 19s
Docs	1m 13s
Examples Windows (msvc)	4m 48s
Clippy	3m 28s
Format	6s
Outdated	11s
	2h 12m 10s

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