TASK: Update dependency @immowelt/eslint-config-immowelt-base to v3

Author: renovate-bot

package.json

@@ -60,7 +60,7 @@
     "@babel/cli": "7.14.5",
     "@babel/core": "7.14.3",
     "@babel/preset-flow": "7.14.5",
-    "@immowelt/eslint-config-immowelt-base": "1.3.0",
+    "@immowelt/eslint-config-immowelt-base": "3.1.5",
     "@immowelt/jest-preset-node": "1.1.1",
     "eslint": "6.8.0",
     "eslint-plugin-compat": "3.9.0",