fix: travis.yml formatting

Author: childish-sambino

.travis.yml

@@ -3,10 +3,10 @@ node_js:
   # Disabling for Node 16 until audit issue is resolved: https://travis-ci.com/github/twilio/twilio-cli-core/jobs/512495850
   # - node
   - lts/*
-- '10'
+  - '10'
 before_install:
-- sudo apt-get update
-- sudo apt-get install -y libsecret-1-dev
+  - sudo apt-get update
+  - sudo apt-get install -y libsecret-1-dev
 deploy:
   provider: npm
   email: [email protected]