Update submodules/gatekeeper-library digest to e3855f5 #4992

Job	Run time
Checkout	5s
Generate a semantic version number	11s
js-get-deps	17s
codeql	1m 17s
js-units	21s
js-build-binaries	49s
build-web-ui	16s
publish-web-ui	0s
policytests (psp, fixtures)	1m 45s
policytests (gatekeeper, fixtures)	2m 5s
release-binaries	0s
policytests (kyverno, fixtures)	2m 18s
policytests (kubewarden, fixtures)	22m 50s
policytests (pss, fixtures)	3m 5s
policytests (krail, fixtures)	54s
policytests (kubewarden, e2e)	23m 7s
policytests (gatekeeper, e2e)	2m 2s
policytests (kyverno, e2e)	2m 24s
	1h 3m 46s

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