Upgrade matcher library

Fixes issue where a label was always added when configured with an empty list, e.g.:

```yaml
dont-add: []
```

__tests__/fixtures/config.yml

@@ -3,3 +3,4 @@ fix: fix/*
 chore: chore/*
 release: ['release/*', 'hotfix/*', '!release/skip-*']
 skip-release: release/skip-*
+dont-add: []

package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@actions/core": "^1.10.0",
     "@actions/github": "^5.1.1",
-    "matcher": "^2.0.0"
+    "matcher": "^4.0.0"
   },
   "devDependencies": {
     "@types/jest": "^29.2.2",

src/action.ts

@@ -3,7 +3,6 @@ import * as github from '@actions/github';
 import { Context } from '@actions/github/lib/context';
 import matcher from 'matcher';
 import getConfig, { Config } from './utils/config';
-import { arrayify } from './utils/arrayify';
 
 const defaultConfig = {
   feature: ['feature/*', 'feat/*'],
@@ -48,8 +47,7 @@ function getLabelsToAdd(config: Config, branchName: string): string[] {
   const labelsToAdd: string[] = [];
 
   for (const label in config) {
-    const patterns = arrayify(config[label]);
-    const matches = matcher([branchName], patterns);
+    const matches = matcher(branchName, config[label]);
 
     if (matches.length > 0) {
       labelsToAdd.push(label);