Use less heavy symbols in the release notes

Author: mattrubin

fastlane/metadata/en-US/release_notes.txt

@@ -1,10 +1,10 @@
-● Search & Filter
+○ Search & Filter
 Tap the new search field at the top of the token list to filter your tokens by issuer and account name.
 
-● Easier to Read
+○ Easier to Read
 An updated font, improved typography, and better spacing make your passwords easier to read.
 
-● Security & Backup Info
+○ Security & Backup Info
 For security reasons, tokens are stored only on one device, and are not included in iCloud or unencrypted backups. More information about security and backups has been added in the app.
 
 Also…