Update lukaszraczylo/semver-generator action to v1.12.339 (#946) #5386

Job	Run time
Generate a semantic version number	10s
Checkout	4s
codeql	1m 23s
js-get-deps	21s
js-units	18s
js-build-binaries	1m 10s
build-web-ui	21s
publish-web-ui	4s
release-binaries	25s
policytests (psp, fixtures)	1m 54s
policytests (gatekeeper, fixtures)	2m 31s
policytests (kyverno, fixtures)	2m 41s
policytests (kubewarden, fixtures)	23m 25s
policytests (pss, fixtures)	2m 22s
policytests (krail, fixtures)	46s
policytests (kubewarden, e2e)	23m 30s
policytests (gatekeeper, e2e)	2m 22s
policytests (kyverno, e2e)	2m 55s
	1h 6m 42s

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