chore(deps): update dependency @types/jest to v26.0.15

Author: renovate-bot

package-lock.json

@@ -46,7 +46,7 @@
   "devDependencies": {
     "@types/imagemin": "7.0.0",
     "@types/imagemin-pngquant": "8.0.0",
-    "@types/jest": "26.0.14",
+    "@types/jest": "26.0.15",
     "@types/node": "14.11.10",
     "@types/sharp": "0.26.0",
     "@typescript-eslint/eslint-plugin": "4.4.1",