message: github: final issue filing tweak.
  Avoid redundancy between the extra crash bug entry and GitHub's auto-populated "Report a security
  vulnerability" option.
diff: blank_issues_enabled: false
  contact_links:
  - - name: "{Crash,security} bugs"
  + - name: "Crash bug"
  url: https://github.com/envoyproxy/envoy/security/policy
  - about: "Please file any crash or security bug with envoy-security@googlegroups.com."
  + about: "Please file any crash bug with envoy-security@googlegroups.com."
  