chore(deps): update dependency @types/jest to v27

Author: renovate-bot

packages/gitsef/package-lock.json

@@ -22,7 +22,7 @@
     "@babel/preset-env": "7.12.1",
     "@babel/register": "7.12.1",
     "@now/node": "1.8.4",
-    "@types/jest": "26.0.23",
+    "@types/jest": "27.0.1",
     "@typescript-eslint/eslint-plugin": "2.34.0",
     "@typescript-eslint/parser": "2.34.0",
     "eslint": "6.8.0",

packages/gitsef/package.json

@@ -29,7 +29,7 @@
     "@semantic-release/changelog": "5.0.1",
     "@semantic-release/exec": "5.0.0",
     "@semantic-release/git": "9.0.0",
-    "@types/jest": "26.0.23",
+    "@types/jest": "27.0.1",
     "@typescript-eslint/eslint-plugin": "2.34.0",
     "@typescript-eslint/parser": "2.34.0",
     "builtin-modules": "3.1.0",