fix: Use new workflow and template

Author: tkyi

screwdriver.yaml

@@ -1,20 +1,16 @@
-workflow:
-    - publish
-
 shared:
     image: node:6
 
 jobs:
     main:
+        requires: [~pr, ~commit]
         steps:
             - install: npm install
             - test: npm test
 
     publish:
+        requires: [main]
         template: screwdriver-cd/semantic-release
-        steps:
-            - install: npm install semantic-release
-            - publish: npm run semantic-release
         secrets:
             - GH_TOKEN
             - NPM_TOKEN