chore: update deps and ci (#24)

Author: evilebottnawi

.travis.yml

@@ -4,6 +4,7 @@ node_js:
   - "8"
   - "10"
   - "12"
+  - "14"
 script: npm run travis
 
 after_success:

package.json

@@ -24,17 +24,17 @@
   },
   "dependencies": {
     "icss-utils": "^4.1.1",
-    "postcss": "^7.0.16",
+    "postcss": "^7.0.32",
     "postcss-selector-parser": "^6.0.2",
-    "postcss-value-parser": "^4.0.0"
+    "postcss-value-parser": "^4.1.0"
   },
   "devDependencies": {
-    "chokidar-cli": "^1.0.1",
-    "codecov.io": "^0.1.2",
-    "coveralls": "^3.0.2",
-    "eslint": "^5.9.0",
+    "chokidar-cli": "^1.2.3",
+    "codecov.io": "^0.1.6",
+    "coveralls": "^3.1.0",
+    "eslint": "^5.16.0",
     "istanbul": "^0.4.5",
-    "tape": "^4.0.0"
+    "tape": "^5.0.1"
   },
   "scripts": {
     "lint": "eslint index.js test.js",