ci(.travis.yml): add back accidentally deleted settings

for semantic-release

Author: jedwards1211

.travis.yml

@@ -12,4 +12,9 @@ before_script:
   - npm prune
 script:
   - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+after_success:
+  - npm run semantic-release
+branches:
+  except:
+    - /^v\d+\.\d+\.\d+$/