ci: checkout integration workflows to release/3.6 #2745

Job	Run time
LuaJIT (Linux/ARM64) Release GC64:ON CC:gcc	3m 34s
LuaJIT (Linux/x86_64) Debug GC64:ON CC:gcc	3m 46s
LuaJIT (macOS/x86_64) Debug GC64:ON CC:clang	1m 8s
LuaJIT (Linux/x86_64) Release GC64:ON CC:clang	2m 45s
LuaJIT (Linux/x86_64) Debug GC64:OFF CC:gcc	31s
LuaJIT (Linux/ARM64) Debug GC64:ON CC:gcc	4m 28s
LuaJIT (Linux/x86_64) Debug GC64:OFF CC:clang	54s
LuaJIT (Linux/x86_64) Release GC64:OFF CC:gcc	49s
LuaJIT (Linux/x86_64) Debug GC64:ON CC:clang	3m 54s
LuaJIT (Linux/x86_64) Release GC64:ON CC:gcc	2m 36s
LuaJIT (macOS/x86_64) Release GC64:ON CC:clang	51s
LuaJIT (macOS/ARM64) Debug GC64:ON CC:clang	1m 5s
LuaJIT (macOS/ARM64) Release GC64:ON CC:clang	56s
LuaJIT (Linux/x86_64) Release GC64:OFF CC:clang	52s
Tarantool (Linux/x86_64) Debug GC64:OFF / luajit-integration	3m 21s
Tarantool (Linux/ARM64) Debug GC64:ON / luajit-integration	8m 50s
Tarantool (macOS/x86_64) Release GC64:ON / luajit-integration	4m 45s
Tarantool (Linux/x86_64) Release GC64:OFF / luajit-integration	4m 22s
Tarantool (macOS/ARM64) Debug GC64:ON / luajit-integration	2m 29s
Tarantool (macOS/x86_64) Debug GC64:ON / luajit-integration	2m 53s
Tarantool (macOS/ARM64) Release GC64:ON / luajit-integration	2m 24s
Tarantool (Linux/x86_64) Debug GC64:ON / luajit-integration	7m 2s
Tarantool (Linux/x86_64) Release GC64:ON / luajit-integration	5m 59s
Tarantool (Linux/ARM64) Release GC64:ON / luajit-integration	6m 26s
	1h 16m 40s

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