dns-resolve: Do not treat never accessed responses as expired. #3006

Job	Run time
dpdk gcc (ubuntu-24.04)	9s
libreswan (ubuntu-24.04)	6s
osx clang --disable-ssl	2m 33s
build oss-fuzz fuzzers	2m 45s
linux rpm fedora	4m 13s
linux deb no dpdk	5m 49s
clang-analyze-cache	11m 6s
linux clang c99	2m 45s
linux clang --disable-ssl	2m 59s
linux gcc --disable-ssl	2m 51s
linux gcc test	9m 10s
linux clang address,undefined test	16m 47s
linux clang test --enable-shared	11m 15s
linux gcc test --enable-shared	10m 43s
linux gcc c99	2m 30s
linux gcc check check-dpdk dpdk	19m 34s
linux gcc test -ljemalloc	8m 50s
linux gcc --enable-afxdp	2m 42s
linux clang dpdk --enable-shared	3m 22s
linux gcc dpdk --enable-shared	3m 40s
linux clang test -ljemalloc	8m 56s
linux clang check check-dpdk dpdk	20m 57s
linux clang dpdk-shared	2m 56s
linux gcc dpdk-shared	3m 10s
linux gcc dpdk-shared --enable-shared	3m 36s
linux clang --enable-afxdp	3m 24s
linux clang dpdk-shared --enable-shared	3m 55s
linux gcc check-ovsdb-cluster	6m 26s
linux gcc check-kernel -100	10m 43s
linux gcc m32 --disable-ssl	2m 25s
linux clang address,undefined check-kernel 100-	22m 54s
linux clang address,undefined check-kernel -100	13m 25s
linux gcc check-offloads 100-	13m 1s
linux gcc check-offloads -100	9m 38s
linux gcc check-kernel 100-	19m 45s
linux gcc dpdk check-system-tso	12m 59s
linux clang address,undefined dpdk check-system-userspace	16m 18s
linux gcc dpdk check-afxdp	12m 39s
linux gcc dpdk check-system-userspace	14m 5s
clang-analyze	11m 12s
	5h 36m 13s

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