Allow using qh3 internal idna encoder #697

Job	Run time
package	16s
macOS 3.7	19m 44s
Windows 3.7	14m 0s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.7	9m 53s
macOS 3.8	13m 49s
Windows 3.8	15m 32s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.8	10m 4s
macOS 3.9	7m 3s
Windows 3.9	15m 6s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.9	10m 19s
Ubuntu 22 (OpenSSL 3+) 3.9	9m 31s
macOS 3.10	15m 24s
Windows 3.10	1h 0m 7s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.10	10m 55s
Ubuntu 22 (OpenSSL 3+) 3.10	11m 1s
macOS 3.11	17m 10s
Windows 3.11	16m 28s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.11	10m 28s
Ubuntu 22 (OpenSSL 3+) 3.11	10m 55s
macOS 3.12	17m 45s
Windows 3.12	14m 25s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.12	9m 37s
Ubuntu 22 (OpenSSL 3+) 3.12	9m 41s
macOS 3.13	14m 47s
Windows 3.13	14m 52s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.13	10m 19s
Ubuntu 22 (OpenSSL 3+) 3.13	9m 20s
Windows 3.7 test_ssl_large_resources-3.7	2m 42s
Windows 3.9 test_ssl_large_resources-3.9	1m 41s
Windows 3.13 test_ssl_large_resources-3.13	1m 52s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.7 test_ssl_large_resources-3.7	1m 23s
Ubuntu 22 (OpenSSL 3+) 3.9 test_ssl_large_resources-3.9	1m 15s
Ubuntu 22 (OpenSSL 3+) 3.13 test_ssl_large_resources-3.13	1m 0s
Ubuntu 22 (OpenSSL 3+) 3.14	12m 3s
macOS 3.14	18m 2s
Windows 3.14	18m 9s
Ubuntu 22 (OpenSSL 3+) pypy-3.7 test-pypy	3m 11s
Ubuntu 22 (OpenSSL 3+) pypy-3.8 test-pypy	2m 55s
Ubuntu 22 (OpenSSL 3+) pypy-3.9-v7.3.13 test-pypy	4m 0s
Ubuntu 22 (OpenSSL 3+) pypy-3.10 test-pypy	2m 44s
Ubuntu 22 (OpenSSL 3+) 3.x test_brotlipy	2m 36s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.9.2 test-3.9	3m 4s
coverage	13s
	7h 35m 21s

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