ci(travis): update build section to run jobs in parallel

Author: uid10804

.travis.yml

@@ -15,20 +15,20 @@ install:
   - make install
 jobs:
   include:
-    - stage: build-server
-      before_script: cd packages/server
-      script:
+    - script:
         - npm run build
-    - stage: build-cli
-      before_script: cd packages/cli
-      script:
+      before_script: cd packages/server
+      name: build-server
+    - script:
         - npm run build
         - bin/run --version
-    - stage: test-server
-      before_script: cd packages/server
-      script:
+      before_script: cd packages/cli
+      name: build-cli
+    - script:
         - npm run test
         - npx snyk test
+      before_script: cd packages/server
+      name: test-server
     - stage: release
       if: (type = push AND branch = master)
       before_script: