Update dependency prettier to v2.6.0

Author: renovate-bot

package.json

@@ -24,7 +24,7 @@
   "license": "MIT",
   "devDependencies": {
     "@egoist/prettier-config": "1.0.0",
-    "prettier": "2.5.1",
+    "prettier": "2.6.0",
     "tsup": "5.11.13",
     "typescript": "4.5.4",
     "vitest": "0.2.5"