Merge branch 'master' of github.com:pantor/inja #306

Job	Run time
check-single-include	6s
test-ubuntu-20.04-gcc-9	2m 2s
test-ubuntu-20.04-gcc-11	1m 45s
test-ubuntu-20.04-clang-9	2m 31s
test-ubuntu-20.04-clang-11	3m 34s
test-ubuntu-20.04-clang-12	2m 43s
test-ubuntu-20.04-clang-11-no-exceptions	2m 9s
test-ubuntu-22.04-gcc	1m 48s
test-windows-2019-msvc	1m 9s
test-windows-2019-clang	2m 0s
test-windows-2019-gcc	2m 5s
test-windows-2022-msvc	1m 49s
test-macOS-11-gcc	1m 53s
test-macOS-11-clang	4m 39s
test-macOS-12-clang	3m 43s
	33m 56s

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