quiche:h3_stream_recv return 0 at end of stream

... and remove some verbose messages we don't need. Made transfers from
facebook.com work better.

altsvc: make quiche use h3-22 now

quiche: show the actual version number

quiche: first working HTTP/3 request

- enable debug log
- fix use of quiche API
- use download buffer
- separate header/body

Closes #4193

http09: disable HTTP/0.9 by default in both tool and library

As the plan has been laid out in DEPRECATED. Update docs accordingly and
verify in test 1174. Now requires the option to be s

http09: disable HTTP/0.9 by default in both tool and library

As the plan has been laid out in DEPRECATED. Update docs accordingly and
verify in test 1174. Now requires the option to be set to allow HTTP/0.9
responses.

Closes #4191

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quiche: initial h3 request send/receive

lib/Makefile.am: make checksrc run in vquic too

altsvc: fix removal of expired cache entry

Closes #4192

RELEASE-NOTES: synced

md4: Use our own MD4 implementation when no crypto libraries are available

Closes #3780

md4: No need to include Curl_md4.h for each TLS library

md4: No need for the NTLM code to call Curl_md4it() for each TLS library

As the NTLM code no longer calls any of TLS libraries' specific MD4
functions, there is no need to call this func

md4: No need for the NTLM code to call Curl_md4it() for each TLS library

As the NTLM code no longer calls any of TLS libraries' specific MD4
functions, there is no need to call this function for each #ifdef.

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md4: Move the mbed TLS MD4 implementation out of the NTLM code

md4: Move the WinCrypt implementation out of the NTLM code

md4: Move the SecureTransport implementation out of the NTLM code

md4: Use the Curl_md4it() function for OpenSSL based NTLM

md4: Move the GNU TLS gcrypt MD4 implementation out of the NTLM code

md4: Move the GNU TLS Nettle MD4 implementation out of the NTLM code

OS400: Add CURLOPT_H3 symbols

Follow-up to 3af0e76 which added experimental H3 support.

Closes https://github.com/curl/curl/pull/4185

url: make use of new HTTP version if alt-svc has one

url: set conn->transport to default TCP at init time

altsvc: with quiche, use the quiche h3 alpn string

Closes #4183

alt-svc: more liberal ALPN name parsing

Allow pretty much anything to be part of the ALPN identifier. In
particular minus, which is used for "h3-20" (in-progress HTTP/3
versions) etc

alt-svc: more liberal ALPN name parsing

Allow pretty much anything to be part of the ALPN identifier. In
particular minus, which is used for "h3-20" (in-progress HTTP/3
versions) etc.

Updated test 356.
Closes #4182

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quiche: use the proper HTTP/3 ALPN

quiche: add failf() calls for two error cases

To aid debugging

Closes #4181