Docs: fix cert-manager manual deploy guide in `DEVELOPMENT.md`. #10330

Job	Run time
e2e tests (v1.32.x, ./test/experimental)	16m 16s
e2e tests (v1.32.x, ./test/e2e)	21m 55s
e2e tests (v1.33.x, ./test/e2e)	22m 22s
e2e tests (v1.33.x, ./test/conformance)	23m 54s
e2e tests (v1.33.x, ./test/experimental)	16m 15s
e2e tests (v1.32.x, ./test/conformance)	21m 56s
	2h 2m 38s

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