[CI] Upgrade to Github actions to v4. #981

Job	Run time
C++ Xcode (macOS)	1m 32s
C++ Clang 13 (Ubuntu 22.04)	1m 15s
C++ Clang 9 (Ubuntu 20.04)	1m 29s
C++ Clang 14 (Ubuntu 22.04)	1m 46s
C++ Clang 10 (Ubuntu 20.04)	1m 29s
C++ GCC 6 (Ubuntu 20.04)	1m 18s
C++ Clang 15 (Ubuntu 22.04)	1m 21s
C++ GCC 11 (Ubuntu 22.04)	1m 50s
C++ Clang 11 (Ubuntu 20.04)	1m 29s
C++ GCC 7 (Ubuntu 20.04)	1m 24s
C++ Clang 16 (Ubuntu 22.04)	1m 16s
C++ GCC 12 (Ubuntu 22.04)	1m 40s
C++ Clang 12 (Ubuntu 20.04)	1m 33s
C++ GCC 8 (Ubuntu 20.04)	1m 23s
C++ Clang 17 (Ubuntu 22.04)	1m 18s
C++ GCC 13 (Ubuntu 22.04)	1m 15s
C++ GCC 9 (Ubuntu 20.04)	1m 32s
C++ GCC 10 (Ubuntu 20.04)	1m 20s
C++ MSVC (Windows) (windows-latest)	4m 25s
C# 3.1.301	2m 13s
Java 8 (ubuntu-22.04)	1m 15s
Rust stable	49s
Java 8 (windows-latest)	3m 16s
Rust beta	1m 0s
Java 17 (ubuntu-22.04)	1m 40s
Rust nightly	52s
Java 17 (windows-latest)	3m 6s
Java 21 (ubuntu-22.04)	1m 24s
Java 21 (windows-latest)	2m 13s
	48m 23s

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