Add exclude-labels (#474)

Author: nakamura-to

.github/pr-labeler.yml

@@ -4,6 +4,7 @@ dependencies: dependencies/*
 docs: docs/*
 feature: ['feature/*', 'feat/*']
 fix: fix/*
-refactor: refactor/*
 perf: perf/*
+refactor: refactor/*
+skip-changelog: ['release', 'working']
 test: test/*

.github/release-drafter.yml

@@ -24,6 +24,8 @@ categories:
     label: 'docs'
   - title: 'Dependency Upgrades'
     label: 'dependencies'
+exclude-labels:
+  - 'skip-changelog'
 version-resolver:
   major:
     labels: