Update copyright. #970

Job	Run time
C++ Clang 9 (Ubuntu 20.04)	1m 48s
C++ GCC 6 (Ubuntu 20.04)	1m 36s
C++ Xcode (macOS)	1m 43s
C++ GCC 7 (Ubuntu 20.04)	1m 54s
C++ Clang 13 (Ubuntu 22.04)	1m 31s
C++ GCC 8 (Ubuntu 20.04)	2m 36s
C++ Clang 10 (Ubuntu 20.04)	1m 48s
C++ Clang 14 (Ubuntu 22.04)	1m 26s
C++ Clang 11 (Ubuntu 20.04)	1m 43s
C++ Clang 15 (Ubuntu 22.04)	1m 48s
C++ GCC 11 (Ubuntu 22.04)	2m 39s
C++ GCC 9 (Ubuntu 20.04)	1m 36s
C++ Clang 12 (Ubuntu 20.04)	1m 55s
C++ Clang 16 (Ubuntu 22.04)	1m 25s
C++ GCC 12 (Ubuntu 22.04)	1m 56s
C++ GCC 10 (Ubuntu 20.04)	2m 0s
C++ Clang 17 (Ubuntu 22.04)	1m 46s
C++ GCC 13 (Ubuntu 22.04)	1m 18s
C++ MSVC (Windows) (windows-latest)	4m 38s
C# 3.1.301	2m 39s
Java 8 (ubuntu-22.04)	1m 5s
Rust stable	1m 4s
Rust beta	52s
Rust nightly	1m 18s
Java 8 (windows-latest)	2m 0s
Java 17 (ubuntu-22.04)	1m 40s
Java 17 (windows-latest)	2m 38s
Java 21 (ubuntu-22.04)	1m 32s
Java 21 (windows-latest)	3m 57s
	55m 51s

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