website/docs: remove � (cherry-pick #11823) #25306

Job	Run time
lint (bandit)	1m 32s
lint (black)	1m 41s
lint (codespell)	1m 27s
lint (pending-migrations)	2m 0s
test-e2e (proxy)	10m 2s
test-integration	5m 32s
test-e2e (oauth)	9m 20s
test-e2e (oauth-oidc)	6m 25s
lint (ruff)	1m 38s
test-e2e (saml)	6m 11s
test-migrations	2m 43s
test-e2e (ldap)	10m 36s
test-e2e (radius)	5m 4s
test-migrations-from-stable - PostgreSQL 15-alpine	18m 30s
test-e2e (scim)	3m 49s
test-migrations-from-stable - PostgreSQL 16-alpine	19m 0s
test-e2e (flows)	5m 26s
test-unittest - PostgreSQL 15-alpine	16m 42s
test-unittest - PostgreSQL 16-alpine	16m 37s
ci-core-mark	1s
build (amd64)	9m 50s
build (arm64)	31m 18s
pr-comment	6s
	3h 5m 30s

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