[ stackage ] Update resolver for ghc-8.6.5

.travis.yml

@@ -8,17 +8,20 @@ branches:
   - "/^release-.*/"
 git:
   submodules: false
+
 env:
   global:
-  - BIN=fix-agda-whitespace
+  - BIN=fix-whitespace
   matrix:
   - GHC_VER=8.6.5
   - GHC_VER=8.4.4
   - GHC_VER=8.2.2
   - GHC_VER=8.0.2
+
 cache:
   directories:
   - "$HOME/.stack"
+
 before_install:
 - sudo -E apt-add-repository -y "ppa:hvr/ghc"
 - travis_apt_get_update
@@ -30,16 +33,20 @@ before_install:
 - export ARGS="--stack-yaml stack-${GHC_VER}.yaml --no-terminal --system-ghc"
 - echo "*** GHC version ***"     && ghc     --version && echo "*** Stack version ***"   &&
   stack   --version
+
 install:
 - stack build ${ARGS} --only-dependencies
 - stack build ${ARGS}
+
 script:
 - stack exec ${ARGS} -- ${BIN} --check
+
 before_deploy:
 - rm *.lock
 - stack install ${ARGS} --local-bin-path .
 - strip ${BIN}
 - gzip ${BIN}
+
 deploy:
   provider: releases
   skip_cleanup: true

stack-8.6.5.yaml

@@ -1,4 +1,4 @@
-resolver: lts-14.6
+resolver: lts-14.9
 
 packages:
 - .