flow/var: Release key storage #1457

Job	Run time
Prepare cbindgen	42s
Prepare dependencies	32s
AlmaLinux 9 (no jansson)	1m 24s
Debian 12 Dist Builder	5m 19s
Debian 12	23m 43s
MacOS Latest	9m 54s
Ubuntu 24.04 (cocci)	22m 18s
Windows MSYS2 MINGW64 (libpcap)	26m 58s
Windows MSYS2 MINGW64 (WinDivert)	12m 15s
Windows MSYS2 MINGW64 (NPcap)	25m 47s
AlmaLinux 9 Test Templates	5m 27s
Fedora 39 (Suricata Verify codecov)	9m 32s
AlmaLinux 9	12m 28s
AlmaLinux 8	5m 16s
Fedora 39 (clang, debug, asan, wshadow, rust-strict, systemd)	13m 40s
Fedora 39 (gcc, debug, asan, wshadow, rust-strict)	8m 8s
Fedora 40 (clang, debug, asan, wshadow, rust-strict, systemd)	7m 55s
Fedora 40 (gcc, debug, asan, wshadow, rust-strict)	7m 48s
Fedora 40 (non-root, debug, clang, asan, wshadow, rust-strict)	6m 25s
AlmaLinux 9 (Minimal/Recommended Build)	4m 9s
Debian 10	7m 18s
Debian 11 (xdp)	7m 18s
Debian 12 MSRV	24m 47s
Ubuntu 20.04 (-DNDEBUG)	9m 12s
Ubuntu 22.04 (fuzz corpus coverage)	11m 10s
Ubuntu 22.04 (unittests coverage)	7m 46s
Ubuntu 22.04 (Debug Validation)	9m 48s
Ubuntu 22.04 (DPDK Build) (22.11.3)	13m 52s
Ubuntu 22.04 (Fuzz)	5m 59s
Ubuntu 22.04 (Minimal/Recommended Build)	2m 55s
Ubuntu 22.04 (DPDK Build) (21.11.5)	11m 42s
Ubuntu 22.04 (DPDK Build) (20.11.9)	10m 6s
Ubuntu 22.04 (Netmap build)	3m 16s
Ubuntu 22.04 (DPDK Build) (19.11.14)	9m 17s
CentOS Stream 9	7m 52s
Ubuntu 20.04 (unsupported rust)	1m 3s
	5h 53m 1s

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