feat(deps): eslint@7, eslint-config-standard@^14.1.1

BREAKING CHANGE: eslint v7 is now required.

package.json

@@ -23,8 +23,8 @@
     "lint": "eslint *.js test/*.js"
   },
   "dependencies": {
-    "eslint-config-semistandard": "^15.0.0",
-    "eslint-config-standard": "^13.0.1",
+    "eslint-config-semistandard": "^15.0.1",
+    "eslint-config-standard": "^14.1.1",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-node": "^9.1.0",
     "eslint-plugin-promise": "^4.0.1",
@@ -33,7 +33,7 @@
   "devDependencies": {
     "@kenan/renovate-config": "1.1.1",
     "cross-spawn": "7.0.3",
-    "eslint": "6.8.0",
+    "eslint": "7.3.1",
     "eslint-find-rules": "3.5.0",
     "graceful-fs": "4.2.4",
     "lodash.isplainobject": "4.0.6",
@@ -43,6 +43,6 @@
     "tape": "5.0.1"
   },
   "peerDependencies": {
-    "eslint": "^6.0.0"
+    "eslint": "^7.0.0"
   }
 }