Update dependency globby to v13 (postcss#427)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -22,7 +22,7 @@
     "dependency-graph": "^0.11.0",
     "fs-extra": "^10.0.0",
     "get-stdin": "^9.0.0",
-    "globby": "^12.0.0",
+    "globby": "^13.0.0",
     "picocolors": "^1.0.0",
     "postcss-load-config": "^3.0.0",
     "postcss-reporter": "^7.0.0",