Standardize release.yml formatting.

Partial #590

Signed-off-by: Ross Goldberg <484615+rgoldberg@users.noreply.github.com>

.github/release.yml

@@ -2,12 +2,9 @@
 ---
 changelog:
   categories:
-    - title: "🚀 Features"
-      labels:
-        - "🆕 feature request"
-    - title: "🐛 Bug Fixes"
-      labels:
-        - "🐛 bug"
+    - title: 🚀 Features
+      labels: [🆕 feature request]
+    - title: 🐛 Bug Fixes
+      labels: [🐛 bug]
     - title: Changes
-      labels:
-        - "*"
+      labels: ["*"]