fix: Fix invoke when anybadge not installed

tasks/colors.py

@@ -4,12 +4,12 @@ import requests
 from invoke import task
 from bs4 import BeautifulSoup
 
-from anybadge.colors import Color
-
 
 @task
 def update(c):
     """Generate colors Enum from Mozilla color keywords."""
+    from anybadge.colors import Color
+
     url = "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color_keywords"
     response = requests.get(url)