mod_dav: Add API exposing the DavBasePath setting #1269

Job	Run time
Empty APLOGNO() test	47s
Default	5m 8s
All-static modules	5m 13s
Prefork MPM, all-modules (except cgid)	5m 37s
Worker MPM, all-modules	5m 47s
Shared MPMs, all-modules	5m 43s
Shared MPMs, all-modules, 64-bit ARM	5m 37s
Event MPM, all-modules, mod_cgid only	5m 42s
Event MPM, all-modules, no CMSG_DATA	4m 26s
Default, all-modules + install	6m 15s
Default, all-modules, random test order	5m 57s
GCC 12 maintainer-mode w/-Werror, install + VPATH	4m 58s
All-modules, APR 1.7.4, APR-util 1.6.3	6m 3s
APR 1.8.x, APR-util 1.7.x	5m 58s
Pool-debug	6m 28s
Shared MPMs (event), pool-debug, SSL/TLS variants	9m 47s
Shared MPMs (worker), pool-debug, SSL/TLS variants	10m 57s
Shared MPMs (prefork), pool-debug, SSL/TLS variants	9m 8s
litmus WebDAV tests	4m 49s
litmus WebDAV tests, APR trunk, LMDB	2m 44s
Regenerate ap_expr	4m 38s
APR 1.7.4, APR-util 1.6.3, LDAP	7m 12s
APR 1.7.x, APR-util 1.7.x, LDAP	5m 51s
APR trunk thread debugging	5m 57s
UBSan	5m 34s
ASan	7m 23s
ASan, pool-debug	7m 30s
HTTP/2 test suite	7m 11s
Configured w/reduced exports	2m 18s
OpenSSL 3.1	3m 46s
OpenSSL 3.2 -Werror	8m 36s
OpenSSL 3.2 no-engine	8m 9s
OpenSSL 3.3 no-engine -Werror	8m 28s
	3h 19m 37s

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