Update semantic-release workflow

Author: rcdexta

.travis.yml

@@ -7,7 +7,7 @@ notifications:
 node_js:
   - '10.22.0'
 after_success:
-  - npm run semantic-release
+  - npx semantic-release
 branches:
   except:
     - /^v\d+\.\d+\.\d+$/

package.json

@@ -9,7 +9,6 @@
   ],
   "scripts": {
     "prepublish": "npm run build",
-    "semantic-release": "semantic-release pre && npm publish && semantic-release post",
     "storybook": "start-storybook -p 9002",
     "test": "jest",
     "test:watch": "jest --watch",