Add support for specialization constants #6253

Job	Run time
build_windows (3.14)	10m 30s
build_windows (3.11)	9m 49s
build_linux (3.13)	5m 7s
build_windows (3.12)	9m 57s
build_linux (3.10)	4m 57s
build_linux (3.11)	5m 17s
build_linux (3.14)	4m 55s
build_linux (3.12)	5m 17s
build_windows (3.10)	9m 46s
build_windows (3.13)	8m 50s
test_examples_linux (3.11, false, ubuntu-latest)	5m 47s
test_linux (3.12, false, ubuntu-latest)	2m 9s
test_linux (3.13, false, ubuntu-latest)	1m 57s
test_linux (3.14, false, ubuntu-latest)	1m 55s
test_linux (3.10, false, ubuntu-latest)	2m 3s
test_linux (3.11, false, ubuntu-latest)	1m 56s
upload_linux	-1s
test_windows (3.10, false, windows-latest)	3m 28s
test_windows (3.12, false, windows-latest)	3m 26s
test_windows (3.11, false, windows-latest)	3m 25s
test_windows (3.13, false, windows-latest)	3m 27s
test_windows (3.14, false, windows-latest)	3m 26s
upload_windows	-1s
Clean up anaconda packages	0s
	1h 47m 22s

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