chore: use new SECURITY.md template #976

Job	Run time
verify / markdown-lint	8s
deployment-test / test-prepare	4s
deployment-test / secret-presence	1s
verify / verify-formatting	1m 11s
verify / verify-helm-docs	12s
verify / verify-license-headers	3s
verify / verify-dependencies / Dash-Verify-Licenses	1m 50s
verify / verify-dependencies / Review-Allowed-Licenses	3s
deployment-test / test-hashicorp-postgres	5m 15s
deployment-test / test-in-memory	2m 50s
deployment-test / test-azure-vault-postgres	0s
verify / api-tests	2m 9s
verify / end-to-end-tests	7m 19s
verify / integration-tests	1m 33s
verify / dataplane-tests	1m 45s
verify / miw-integration-tests	2m 56s
verify / postgres-tests	7m 17s
verify / unit-tests	2m 57s
summary	1s
	37m 34s

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