👷(ci) update gitmojis json url

The repository containing the list of valid emojis has just
got transformed into a monorepo causing the old url to be
obsolete.

gitlint/gitlint_emoji.py

@@ -28,7 +28,7 @@ def validate(self, title, _commit):
  title contains one of them.
  """
  gitmojis = requests.get(
- "https://raw.githubusercontent.com/carloscuesta/gitmoji/master/src/data/gitmojis.json"
+ "https://raw.githubusercontent.com/carloscuesta/gitmoji/master/packages/gitmojis/src/gitmojis.json"
  ).json()["gitmojis"]
  emojis = [item["emoji"] for item in gitmojis]
  pattern = r"^({:s})\(.*\)\s[a-z].*$".format("|".join(emojis))