chore(release): adjust build script

Author: nivekcode

package.json

@@ -15,8 +15,8 @@
     "build:lib": "ng build ng-sortgrid",
     "build:demo": "ng build ng-sortgrid-demo --base-href='https://kreuzerk.github.io/ng-sortgrid/'",
     "publish": "npm run publish:lib",
-    "publish:demo": "npx angular-cli-ghpages --dir=dist/ng-sortgrid-demo",
-    "publish:lib": "cd dist/ng-sortgrid && npm run semantic-release",
+    "publish:demo": "npx angular-cli-ghpages --dir=./dist/ng-sortgrid-demo",
+    "publish:lib": "cd dist/ng-sortgrid && npx semantic-release",
     "lint": "ng lint",
     "e2e": "ng e2e",
     "semantic-release": "semantic-release"