github: Skip clang-analyze when reference generation fails. #640

Job	Run time
linux deb no dpdk	5m 14s
libreswan (ubuntu-24.04)	5s
linux rpm fedora	4m 21s
dpdk gcc (ubuntu-24.04)	1m 46s
build oss-fuzz fuzzers	2m 55s
osx clang --disable-ssl	1m 30s
clang-analyze-cache	10m 51s
linux gcc --disable-ssl	2m 39s
linux clang --disable-ssl	2m 34s
linux gcc c99	2m 43s
linux clang c99	2m 41s
linux gcc test	8m 29s
linux clang address,undefined test	16m 37s
linux gcc test --enable-shared	11m 35s
linux clang test --enable-shared	11m 11s
linux gcc check check-dpdk dpdk	18m 45s
linux clang check check-dpdk dpdk	18m 32s
linux gcc test -ljemalloc	9m 11s
linux clang test -ljemalloc	9m 4s
linux gcc --enable-afxdp	2m 37s
linux clang --enable-afxdp	2m 40s
linux gcc dpdk --enable-shared	4m 12s
linux clang dpdk --enable-shared	3m 56s
linux gcc dpdk-shared	3m 15s
linux clang dpdk-shared	3m 6s
linux gcc dpdk-shared --enable-shared	4m 24s
linux clang dpdk-shared --enable-shared	3m 43s
linux gcc m32 --disable-ssl	2m 46s
linux gcc check-ovsdb-cluster	6m 53s
linux gcc check-kernel -100	11m 1s
linux gcc check-kernel 100-	16m 54s
linux clang address,undefined check-kernel -100	13m 40s
linux clang address,undefined check-kernel 100-	18m 37s
linux gcc check-offloads -100	10m 8s
linux gcc check-offloads 100-	12m 28s
linux gcc dpdk check-system-userspace	12m 25s
linux clang address,undefined dpdk check-system-userspace	15m 56s
linux gcc dpdk check-system-tso	12m 6s
linux gcc dpdk check-afxdp	11m 56s
clang-analyze	10m 39s
	5h 24m 5s

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