update travis

Author: lucdion

.travis.yml

@@ -7,7 +7,7 @@ cache:
 
 before_install:
   - bundle install # --deployment # to cache vendor/bundle
-  - pod install --repo-update;
+  - bundle exec pod install --repo-update
 
 script:
   - set -o pipefail && xcodebuild -workspace LayoutFrameworkBenchmark.xcworkspace -scheme LayoutFrameworkBenchmark -sdk iphonesimulator12.0 -destination 'platform=iOS Simulator,name=iPhone 8' build | xcpretty -f `xcpretty-travis-formatter`