Use latest IDE for Travis CI

sandeepmistry · sandeepmistry · commit 6769d47836f3 · 2019-08-01T16:27:03.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: generic
 env:
   global:
-    - IDE_VERSION=1.8.7
+    - IDE_VERSION=1.8.9
   matrix:
     - BOARD="arduino:samd:mkrwifi1010"
     - BOARD="arduino:samd:nano_33_iot"
