ci(travis): use major.minor for semantic-release version

* #143 (comment)
* Automated using myii/ssf-formula#112

Author: myii

.travis.yml

@@ -124,4 +124,4 @@ jobs:
         # Deprecated `skip_cleanup` can now be avoided, `cleanup: false` is by default
         edge: true
         # Run `semantic-release`
-        script: 'npx semantic-release@15.13'
+        script: 'npx semantic-release@15.14'