fix(system-tests-k8s): exclude long tests (#3483) #23820

Job	Run time
Bazel Test All	33m 28s
Bazel Build All Config Check	0s
Bazel Test macOS Intel	1h 13m 14s
Bazel Build Fuzzers	2m 27s
Bazel Build Fuzzers AFL	2m 26s
Build IC	16m 39s
Python CI Tests	1m 53s
Cargo Build Release Linux	1m 15s
Cargo Clippy Linux	46s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	32s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	37s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	35s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	32s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	31s
	2h 14m 55s

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