[SignatureBot] Add or update signature dnsreaper_launchrock_cname.yml

[liquidsec]

Add or update signature: dnsreaper_launchrock_cname.yml

This PR adds or updates the follow signature:

identifiers:
  cnames:
  - type: word
    value: host.launchrock.com
  ips: []
  nameservers: []
  not_cnames: []
matcher_rule:
  matchers:
  - status: 0
    type: status
  matchers-condition: and
mode: http
service_name: Launchrock
source: dnsreaper

[liquidsec]

Test results:

Signature Pass: false ❌

Match Table:

Domain	Match
host.launchrock.com	false

Error: **No CNAMES passed random subdomain matcher validation**