Add tests for types `int&` and `const int&` #1005

Job	Run time
Intel LLVM-based compiler	1m 51s
Install on Linux GCC	2m 9s
Linux clang 18 C++20	47s
Install on Linux Clang	1m 53s
Clang tidy on ubuntu-22.04 (Debug)	4m 22s
Linux clang 18	4m 25s
Install on Windows MSVC	2m 48s
Clang tidy on windows-latest (Debug)	5m 32s
Linux clang 18 libc++	2m 34s
Linux clang 17	4m 2s
Clang tidy on ubuntu-22.04 (Release)	3m 53s
Linux clang 17 libc++	2m 52s
Linux clang 16	6m 50s
Clang tidy on windows-latest (Release)	5m 30s
Linux clang 16 libc++	2m 47s
Windows VS v143	5m 44s
Linux clang 15	5m 15s
Linux clang 15 libc++	3m 3s
Windows VS ClangCL	8m 8s
Linux clang 14	6m 16s
Linux clang 14 libc++	2m 43s
Linux clang 13	5m 28s
Linux clang 13 libc++	2m 59s
Linux clang 12	5m 28s
Linux clang 12 libc++	2m 43s
Linux clang 11	5m 16s
Linux clang 11 libc++	2m 57s
Linux clang 10	5m 23s
Linux clang 10 libc++	2m 50s
Linux clang 9	5m 0s
Linux clang 9 libc++	2m 48s
Linux gcc 14 C++20	43s
Linux gcc 14	5m 47s
Linux gcc 13	8m 20s
Linux gcc 12	12m 59s
Linux gcc 11	8m 58s
	2h 41m 3s

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