[Dev Deps] update eslint, @ljharb/eslint-config, object-inspect, tape; add aud

Author: ljharb

package.json

@@ -23,7 +23,7 @@
 		"prepublish": "safe-publish-latest",
 		"pretest": "npm run --silent lint && evalmd README.md",
 		"test": "npm run tests-only",
-		"posttest": "npx aud --production",
+		"posttest": "aud --production",
 		"tests-only": "nyc tape 'test/**/*.js'",
 		"lint": "eslint .",
 		"postlint": "es-shim-api --bound"
@@ -51,16 +51,17 @@
 	},
 	"devDependencies": {
 		"@es-shims/api": "^2.1.2",
-		"@ljharb/eslint-config": "^16.0.0",
+		"@ljharb/eslint-config": "^17.2.0",
+		"aud": "^1.1.3",
 		"covert": "^1.1.1",
-		"eslint": "^6.8.0",
+		"eslint": "^7.13.0",
 		"evalmd": "0.0.19",
 		"foreach": "^2.0.5",
 		"has-strict-mode": "^1.0.0",
 		"nyc": "^10.3.2",
-		"object-inspect": "^1.7.0",
+		"object-inspect": "^1.8.0",
 		"safe-publish-latest": "^1.1.4",
-		"tape": "^5.0.0-next.4"
+		"tape": "^5.0.1"
 	},
 	"testling": {
 		"files": [