Update LVP to v0.5.6 (#4218) #1700

Job	Run time
build-rqlite	5s
build-minio	9s
generate-tag	4s
build-dex	11s
image-deps-updater	45s
kurl-addon-changes-filter	6s
build-kotsadm	8m 15s
build-kurl-proxy	3m 27s
build-kotsadm-migrations	2m 41s
build-web	2m 34s
Run regression testing	0s
generate-kots-release-notes-pr	5s
goreleaser	8m 44s
build-kots	4m 49s
build-release	2m 30s
generate-kurl-addon	1m 58s
build-airgap	2m 22s
publish-kurl-addon	10s
validate-kurl-addon	13s
regression-test	0s
	39m 8s

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