Further Release Drafter tweaks (#395)

Author: alessfg

.github/release-drafter.yml

@@ -23,6 +23,8 @@ categories:
   - title: "⬆️ Dependencies"
     labels:
       - "dependencies"
+exclude-labels:
+  - "skip-changelog"
 version-resolver:
   minor:
     labels:

.github/workflows/release-drafter.yml

@@ -6,6 +6,9 @@ on:
       - opened
       - reopened
       - synchronize
+  push:
+    branches:
+      - main
 jobs:
   update_release_draft:
     name: Update release draft