Update submodules/gatekeeper-library digest to e3855f5 #4957

Job	Run time
Checkout	8s
Generate a semantic version number	14s
js-get-deps	18s
codeql	1m 20s
js-build-binaries	46s
build-web-ui	15s
js-units	18s
publish-web-ui	0s
policytests (psp, fixtures)	1m 45s
release-binaries	0s
policytests (gatekeeper, fixtures)	2m 4s
policytests (kyverno, fixtures)	2m 25s
policytests (kubewarden, fixtures)	22m 15s
policytests (pss, fixtures)	3m 2s
policytests (krail, fixtures)	52s
policytests (kubewarden, e2e)	22m 59s
policytests (gatekeeper, e2e)	2m 30s
policytests (kyverno, e2e)	2m 49s
	1h 4m 0s

Provide feedback