fix: label name convention in labeler config

.github/labeler.yml

@@ -3,18 +3,18 @@ enable:
   prs: true
 
 labels:
-  'week1':
+  'Week 1':
     include:
       - '\bweek1\b'
-  'week2':
+  'Week 2':
     include:
       - '\bweek2\b'
-  'week3':
+  'Week 3':
     include:
       - '\bweek3\b'
-  'week4':
+  'Week 4':
     include:
       - '\bweek4\b'
-  'week5':
+  'Week 5':
     include:
       - '\bweek5\b'