chore: add build stage for semantic release

Author: SimenB

.travis.yml

@@ -26,3 +26,12 @@ branches:
 env:
   global:
     secure: AFR8KvRS3A58pv3k96/Zuj+7pqlDUDZsQgcL+o++2zyDVXpFJpHMSGRy3qEpCiVp+k8HxXjiw+dRDBYkDOrEQXZ0gaiAVeyl+19VO0XXLw0KmCW8kRNajsg2g2b4+2CWos7JowMgqPQLJRosm0qyojiBSzKlzrW4be34PqtoCA0K6SQ6fKnge6nW9iU6yUJHm3fG4tqDNu5BB2A5PuC9KwVY51dj627faKfVvsVOpbBSH6imy9o3NsZvp5pmB3KvvH/ISxvaMh42FSM/NmIemkMsyxlS5ZOuJFKM3NvXQSBp6rUY5eUp/S4O3PzZIiNQSPbJXA2lPVkQIeiPyTX2dZ3ssHcmYZeFm3OxIlq1SNORp659K+mCAiRLuY2WyWLh6zJtedCUlN/Q1+WILm4aXNXl5RbBr3DMPhM/ELXD37Pg/JTSdgDI6NUgF/OZ2PJu/Dr76Q4gtF6BQemk8MkJ1X6Q/JZDIp4XDMB9WZHqQARk4nCqQnjJyQXoYiwsHN5cquFpdD6aMJLTzFZB3DiqcN3caEO0TfFG0adq2cvk5HfRkEs9m4oKQw9j6n1IyWtJzy/P0acoqjmFSmh5AdOchIUB/dkVWsYek4gGFIWoV6erPgUhJ1KDAVUYoXHI5Q7RQItCWtEF3BJ8J2r4ez0KoFcobpnc1OBPsnSrXdWNB04=
+jobs:
+  include:
+    - stage: release
+      node_js: lts/*
+      deploy:
+        provider: script
+        skip_cleanup: true
+        script:
+          - npx semantic-release@15

package.json

@@ -24,8 +24,7 @@
     "pretravis": "npm run lint && npm run clean",
     "travis": "npm run cover",
     "precommit": "lint-staged",
-    "travis-deploy-once": "travis-deploy-once",
-    "semantic-release": "semantic-release"
+    "travis-deploy-once": "travis-deploy-once"
   },
   "repository": "SimenB/add-asset-html-webpack-plugin",
   "keywords": [
@@ -68,8 +67,7 @@
     "slash": "^2.0.0",
     "webpack": "^4.0.0",
     "webpack-cli": "^3.1.0",
-    "travis-deploy-once": "^5.0.7",
-    "semantic-release": "^15.9.15"
+    "travis-deploy-once": "^5.0.7"
   },
   "peerDependencies": {
     "html-webpack-plugin": "^3.0.4"