Update github/codeql-action digest to 9278e42 #1839

Job	Run time
trivy-cache	2m 41s
core-ubuntu-22-lts / build	13m 30s
core-alpine / build	10m 28s
core-ubuntu-24-10 / build	12m 49s
core-ubuntu-24-lts / build	12m 34s
standard / build	13m 27s
reset-alpine / test	39m 26s
upgrade-alpine / test	40m 37s
acceptance-alpine / test	14m 34s
install-alpine / test	6h 0m 5s
netboot-alpine / test	10m 26s
encryption-alpine (remote-auto) / test	13m 24s
encryption-alpine (local-encryption) / test	11m 57s
encryption-alpine (remote-https-bad-cert) / test	10m 37s
encryption-alpine (remote-https-pinned) / test	12m 2s
encryption-alpine (remote-static) / test	11m 50s
bundles / test	40m 22s
install-secureboot / test	19m 26s
acceptance / test	18m 19s
reset / test	42m 20s
install / test	20m 42s
install-target / test	16m 43s
upgrade / test	53m 46s
netboot / test	13m 36s
upgrade-latest / test	36m 19s
custom-partitioning (ubuntu, 24.04) / test	16m 11s
encryption (local-encryption) / test	13m 49s
encryption (remote-auto) / test	16m 7s
encryption (remote-https-bad-cert) / test	12m 38s
encryption (remote-https-pinned) / test	17m 2s
encryption (remote-static) / test	16m 26s
zfs / test	30m 41s
	16h 14m 54s

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