ci(labels): Use strings in values (#9883)

ci: quote needed `color`s

.github/labels.yml

@@ -1,7 +1,7 @@
 - name: api changes
-  color: 5663e9
+  color: '5663e9'
 - name: api support
-  color: 5663e9
+  color: '5663e9'
 - name: apps:guide
   color: fbca04
 - name: apps:website
@@ -23,7 +23,7 @@
 - name: dependencies
   color: 276bd1
 - name: discord
-  color: 5663e9
+  color: '5663e9'
 - name: discussion
   color: b6b1f9
 - name: documentation
@@ -41,7 +41,7 @@
 - name: has PR
   color: 4b1f8e
 - name: help wanted
-  color: 008672
+  color: '008672'
 - name: in progress
   color: ffccd7
 - name: in review