tweak template text

.github/release-drafter.yml

@@ -1,7 +1,7 @@
 name-template: 'v$NEXT_PATCH_VERSION'
 tag-template: 'v$NEXT_PATCH_VERSION'
 categories:
-  - title: '🚀Features'
+  - title: '🚀 Features'
     labels:
       - 'feature'
       - 'enhancement'
@@ -10,12 +10,12 @@ categories:
       - 'fix'
       - 'bugfix'
       - 'bug'
-  - title: '🧰 Maintenance'
+  - title: '🔧 Maintenance'
     label: 'chore'
 change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
 template: |
   ## Changes
-
   $CHANGES
 
   Thanks to our contributions from $CONTRIBUTORS.
+