chore: Replacing and updating bleach source list

* The library bleach-whitelist was deprecated and renamed to
bleach-allowlist.
* Updated the usages and requirements for the same.

frappe/utils/html_utils.py

@@ -1,8 +1,10 @@
-
-import frappe
 import json
 import re
-import bleach_whitelist.bleach_whitelist as bleach_whitelist
+
+from bleach_allowlist import bleach_allowlist
+
+import frappe
+
 
 def clean_html(html):
 	import bleach
@@ -71,7 +73,7 @@ def sanitize_html(html, linkify=False):
 	tags = (acceptable_elements + svg_elements + mathml_elements
 		+ ["html", "head", "meta", "link", "body", "style", "o:p"])
 	attributes = {"*": acceptable_attributes, 'svg': svg_attributes}
-	styles = bleach_whitelist.all_styles
+	styles = bleach_allowlist.all_styles
 	strip_comments = False
 
 	# returns html with escaped tags, escaped orphan >, <, etc.

requirements.txt

@@ -1,6 +1,6 @@
 Babel~=2.9.0
 beautifulsoup4~=4.9.3
-bleach-whitelist~=0.0.11
+bleach-allowlist~=1.0.3
 bleach~=3.3.0
 boto3~=1.17.53
 braintree~=4.8.0