[Dev Deps] update eslint, @ljharb/eslint-config, tape

Author: ljharb

package.json

@@ -4,11 +4,11 @@
   "description": "string representations of objects in node and the browser",
   "main": "index.js",
   "devDependencies": {
-    "@ljharb/eslint-config": "^15.0.1",
+    "@ljharb/eslint-config": "^15.1.0",
     "core-js": "^2.6.10",
-    "eslint": "^6.6.0",
+    "eslint": "^6.8.0",
     "nyc": "^10.3.2",
-    "tape": "^4.11.0"
+    "tape": "^5.0.0-next.4"
   },
   "scripts": {
     "pretest": "npm run lint",