ci: ovn-kubernetes: Move the fedora image version to 41. #1024

Job	Run time
osx clang --disable-ssl	2m 24s
linux rpm fedora	7m 0s
Prepare container	3m 15s
linux gcc --disable-ssl	2m 36s
linux clang --disable-ssl	2m 42s
linux gcc test -300	10m 2s
linux gcc test 301-600	7m 24s
linux gcc test 601- unstable	7m 14s
linux clang test sanitizers -300	13m 33s
linux clang test sanitizers 301-600	10m 46s
linux clang test sanitizers 601- unstable	12m 38s
linux gcc test -ljemalloc -300	10m 25s
linux gcc test -ljemalloc 301-600	7m 40s
linux gcc test -ljemalloc 601- unstable	7m 24s
linux gcc system-test-dpdk dpdk -100	1m 37s
linux gcc system-test-dpdk dpdk 101- unstable	1m 32s
linux gcc system-test-userspace -100	15m 55s
linux gcc system-test-userspace 101- unstable	15m 17s
linux gcc system-test -100	19m 5s
linux gcc system-test 101- unstable	19m 36s
linux clang system-test sanitizers -100	20m 40s
linux clang system-test sanitizers 101- unstable	21m 33s
linux x86 gcc --disable-ssl	2m 33s
	3h 42m 51s

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