Update .travis.yml

Author: kapkaev

.travis.yml

@@ -11,8 +11,8 @@ language: scala
 
 scala:
   - 2.13.0
-  - 2.12.3
-  - 2.11.11
+  - 2.12.8
+  - 2.11.12
 
 jdk:
   - oraclejdk8
@@ -30,4 +30,4 @@ cache:
 before_cache:
   # Tricks to avoid unnecessary cache updates
   - find $HOME/.ivy2 -name "ivydata-*.properties" -delete
-  - find $HOME/.sbt -name "*.lock" -delete
+  - find $HOME/.sbt -name "*.lock" -delete