Allow using qh3 internal idna encoder #699

Job	Run time
package	15s
macOS 3.7	14m 26s
Windows 3.7	15m 59s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.7	9m 51s
macOS 3.8	14m 20s
Windows 3.8	15m 37s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.8	9m 38s
macOS 3.9	15m 25s
Windows 3.9	17m 18s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.9	10m 45s
Ubuntu 22 (OpenSSL 3+) 3.9	9m 30s
macOS 3.10	15m 42s
Windows 3.10	15m 17s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.10	10m 39s
Ubuntu 22 (OpenSSL 3+) 3.10	10m 46s
macOS 3.11	17m 55s
Windows 3.11	17m 25s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.11	10m 25s
Ubuntu 22 (OpenSSL 3+) 3.11	10m 22s
macOS 3.12	17m 15s
Windows 3.12	16m 20s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.12	9m 31s
Ubuntu 22 (OpenSSL 3+) 3.12	10m 53s
macOS 3.13	14m 53s
Windows 3.13	16m 24s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.13	9m 18s
Ubuntu 22 (OpenSSL 3+) 3.13	9m 20s
Windows 3.7 test_ssl_large_resources-3.7	2m 20s
Windows 3.9 test_ssl_large_resources-3.9	1m 52s
Windows 3.13 test_ssl_large_resources-3.13	1m 45s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.7 test_ssl_large_resources-3.7	1m 25s
Ubuntu 22 (OpenSSL 3+) 3.9 test_ssl_large_resources-3.9	1m 17s
Ubuntu 22 (OpenSSL 3+) 3.13 test_ssl_large_resources-3.13	1m 3s
Ubuntu 22 (OpenSSL 3+) 3.14	11m 42s
macOS 3.14	18m 25s
Windows 3.14	18m 28s
Ubuntu 22 (OpenSSL 3+) pypy-3.7 test-pypy	10m 53s
Ubuntu 22 (OpenSSL 3+) pypy-3.8 test-pypy	18m 49s
Ubuntu 22 (OpenSSL 3+) pypy-3.9-v7.3.13 test-pypy	23m 0s
Ubuntu 22 (OpenSSL 3+) pypy-3.10 test-pypy	26m 39s
Ubuntu 22 (OpenSSL 3+) 3.x test_brotlipy	3m 8s
Ubuntu 20.04 (OpenSSL 1.1.1) 3.9.2 test-3.9	3m 28s
coverage	12s
	8h 9m 55s

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