core: bump github.com/gorilla/websocket from 1.5.0 to 1.5.3 #268

Job	Run time
lint (bandit)	2m 14s
test-e2e (proxy)	3m 50s
lint (black)	2m 21s
test-integration	4m 37s
lint (codespell)	1m 54s
test-e2e (oauth)	5m 41s
test-e2e (oauth-oidc)	5m 10s
lint (isort)	1m 28s
test-e2e (saml)	4m 30s
test-migrations	1m 33s
lint (pending-migrations)	1m 55s
test-e2e (ldap)	7m 21s
lint (pylint)	2m 51s
test-e2e (radius)	3m 23s
lint (pyright)	1m 31s
test-e2e (flows)	4m 0s
lint (ruff)	1m 14s
test-migrations-from-stable - PostgreSQL 12-alpine	1m 41s
test-migrations-from-stable - PostgreSQL 15-alpine	1m 25s
test-unittest - PostgreSQL 12-alpine	7m 30s
test-migrations-from-stable - PostgreSQL 16-alpine	1m 31s
test-unittest - PostgreSQL 15-alpine	8m 12s
test-unittest - PostgreSQL 16-alpine	8m 10s
ci-core-mark	0s
build	0s
build-arm64	0s
	1h 24m 2s

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