github: Bump Fedora version to 39. #147

Job	Run time
linux deb no dpdk	6m 29s
dpdk gcc	1m 44s
osx clang --disable-ssl	4m 23s
linux rpm fedora	4m 54s
clang-analyze	18m 27s
linux gcc --disable-ssl	2m 35s
linux clang --disable-ssl	2m 31s
linux gcc c99	2m 23s
linux clang c99	2m 26s
linux gcc test	8m 57s
linux clang address,undefined test	16m 1s
linux gcc test --enable-shared	11m 26s
linux clang test --enable-shared	11m 4s
linux gcc check check-dpdk dpdk	16m 44s
linux clang check check-dpdk dpdk	16m 34s
linux gcc test -ljemalloc	8m 33s
linux clang test -ljemalloc	9m 4s
linux gcc --enable-afxdp	2m 33s
linux clang --enable-afxdp	2m 31s
linux gcc dpdk --enable-shared	3m 20s
linux clang dpdk --enable-shared	3m 16s
linux gcc dpdk-shared	2m 30s
linux clang dpdk-shared	2m 55s
linux gcc dpdk-shared --enable-shared	3m 38s
linux clang dpdk-shared --enable-shared	3m 19s
linux gcc m32 --disable-ssl	2m 34s
linux gcc check-ovsdb-cluster	6m 33s
linux gcc check-kernel -100	8m 37s
linux gcc check-kernel 100-	9m 21s
linux clang address,undefined check-kernel -100	10m 57s
linux clang address,undefined check-kernel 100-	11m 49s
linux gcc check-offloads -100	9m 22s
linux gcc check-offloads 100-	7m 34s
linux gcc dpdk check-system-userspace	10m 56s
linux clang address,undefined dpdk check-system-userspace	13m 41s
linux gcc dpdk check-system-tso	10m 20s
linux gcc dpdk check-afxdp	10m 51s
	4h 40m 52s

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