Add .snyk config #1341

Job	Run time
core-ubuntu-22-lts / build	10m 35s
core-alpine / build	8m 20s
core-ubuntu-24-lts / build	11m 26s
standard / build	10m 33s
install-alpine / test	9m 6s
reset-alpine / test	9m 6s
netboot-alpine / test	9m 17s
acceptance-alpine / test	9m 14s
upgrade-alpine / test	9m 7s
encryption-alpine (local-encryption) / test	9m 15s
encryption-alpine (remote-auto) / test	9m 21s
encryption-alpine (remote-https-pinned) / test	9m 16s
encryption-alpine (remote-https-bad-cert) / test	9m 17s
encryption-alpine (remote-static) / test	9m 17s
zfs / test	6m 54s
install / test	6m 1s
acceptance / test	6m 12s
bundles / test	6m 2s
install-secureboot / test	6m 1s
reset / test	6m 1s
upgrade / test	6m 1s
netboot / test	6m 14s
upgrade-latest / test	6m 13s
encryption (remote-auto) / test	6m 15s
encryption (remote-https-bad-cert) / test	6m 10s
encryption (local-encryption) / test	5m 58s
custom-partitioning (ubuntu, 24.04) / test	4m 24s
encryption (remote-https-pinned) / test	5m 59s
encryption (remote-static) / test	6m 9s
	3h 43m 44s

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