Updated CI to use Xcode 12

rwbutler · rwbutler · commit f9350e4a4842 · 2020-09-24T14:05:45.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: objective-c
-osx_image: xcode11.1
+osx_image: xcode12
 before_install:
-  - gem install cocoapods -v '1.5.0'
+  - gem install cocoapods -v '1.8.3'
 install:
   - ./install_swiftlint.sh
 script:
