WIP - mod_ssl: allow loading PKCS#11 keys without requiring #1140

Job	Run time
Empty APLOGNO() test	27s
Default	3m 31s
All-static modules	3m 38s
Prefork MPM, all-modules (except cgid)	4m 15s
Worker MPM, all-modules	4m 7s
Shared MPMs, all-modules	4m 26s
Event MPM, all-modules, mod_cgid only	4m 20s
Event MPM, all-modules, no CMSG_DATA	4m 16s
Default, all-modules + install	4m 31s
Default, all-modules, random test order	3m 53s
GCC 10 maintainer-mode w/-Werror, install + VPATH	3m 18s
All-modules, APR 1.7.4, APR-util 1.6.3	4m 6s
APR 1.8.x, APR-util 1.7.x	5m 51s
Pool-debug	6m 19s
Shared MPMs (event), pool-debug, SSL/TLS variants	10m 10s
Shared MPMs (worker), pool-debug, SSL/TLS variants	10m 29s
Shared MPMs (prefork), pool-debug, SSL/TLS variants	9m 50s
litmus WebDAV tests	2m 16s
litmus WebDAV tests, APR trunk, LMDB	2m 6s
Regenerate ap_expr	4m 6s
APR 1.7.4, APR-util 1.6.3, LDAP	4m 7s
APR 1.7.x, APR-util 1.7.x, LDAP	6m 17s
APR trunk thread debugging	4m 7s
UBSan	5m 6s
ASan	6m 55s
ASan, pool-debug	6m 57s
HTTP/2 test suite	5m 17s
MOD_TLS test suite	3m 3s
Configured w/reduced exports	2m 5s
OpenSSL 3.1	3m 22s
OpenSSL 3.2 -Werror	3m 58s
OpenSSL 3.2 no-engine	3m 37s
OpenSSL 3.3 no-engine -Werror	4m 11s
	2h 34m 57s

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