Bump spegel to v0.0.30 #1930

Job	Run time
Build Go Tests	44s
build / Build	7m 26s
Docker Tests (basics)	1m 6s
E2E Tests (autoimport)	6m 34s
Docker Tests (bootstraptoken)	44s
Docker Tests In GO (basics)	58s
E2E Tests (startup)	13m 48s
Docker Tests (cacerts)	57s
Docker Tests In GO (bootstraptoken)	46s
E2E Tests (s3)	8m 34s
Docker Tests (compat)	1m 14s
E2E Tests (btrfs)	4m 30s
Docker Tests (lazypull)	44s
Docker Tests In GO (cacerts)	59s
E2E Tests (externalip)	4m 20s
Docker Tests In GO (etcd)	1m 56s
Docker Tests (upgrade)	2m 18s
E2E Tests (privateregistry)	5m 35s
Docker Tests In GO (lazypull)	57s
E2E Tests (embeddedmirror)	4m 42s
Docker Tests In GO (skew)	8s
E2E Tests (wasm)	3m 59s
Docker Tests In GO (upgrade)	1m 31s
	1h 14m 30s

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