encrypted heroku api key

.travis.yml

@@ -1,36 +1,30 @@
 language: node_js
 node_js:
-  - "12"
+- '12'
 dist: trusty
-
 branches:
   only:
   - master
-
 cache:
   directories:
-    - node_modules
-
+  - node_modules
 addons:
   chrome: stable
   sonarcloud:
-    organization: "speech4j"
-
-before_script: 
-  - npm install
-
+    organization: speech4j
+before_script:
+- npm install
 script:
-  - npm run test-headless
-  - sonar-scanner -Dsonar.verbose=true -X
-  - npm run build
-
+- npm run test-headless
+- sonar-scanner -Dsonar.verbose=true -X
+- npm run build
 deploy:
   provider: heroku
   skip_cleanup: true
   keep-history: true
-  api-key:
-    secure: $HEROKU_API_KEY
   app: speech4jweb
+  api_key:
+    secure: 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
 
 after_deploy:
-  - echo "Application Deployed!"
+- echo "Application Deployed!"