Reorganize release notes template

Author: ricardoV94

.github/release.yml

@@ -8,19 +8,12 @@ changelog:
     labels:
       - no releasenotes
   categories:
-    - title: Major Changes 🛠
+    - title: Changes in PyTensor
       labels:
-        - major
-    - title: New Features & Bugfixes 🎉
+        - "*"
+      exclude:
+        labels:
+          - aesara downstream
+    - title: Changes in Aesara that were incorporated in PyTensor
       labels:
-        - bug
-        - enhancements
-        - feature-request
-    - title: Docs & Maintenance 🔧
-      labels:
-        - docs
-        - installation
-        - maintenance
-        - pre-commit
-        - tests
-        - "*"
+        - aesara downstream