TUN-528: Move cloudflared into a separate repo

vendor/github.com/certifi/gocertifi/tasks.py

@@ -0,0 +1,20 @@
+from invoke import task
+import requests
+
+@task
+def update(ctx):
+    r = requests.get('https://mkcert.org/generate/')
+    r.raise_for_status()
+    certs = r.content
+
+    with open('certifi.go', 'rb') as f:
+        file = f.read()
+
+    file = file.split('`\n')
+    assert len(file) == 3
+    file[1] = certs
+
+    ctx.run("rm certifi.go")
+
+    with open('certifi.go', 'wb') as f:
+        f.write('`\n'.join(file))