Update stack config to lts-23.19

Author: bravit

stack.yaml

@@ -1,19 +1,14 @@
-flags: {}
 packages:
 - chart/
 - chart-cairo/
 - chart-diagrams/
 - chart-tests/
 - chart-gtk/
 - chart-gtk3/
-#flags:
+flags:
 #  gtk:
-#    # This needs to be true on osx
-#    have-quartz-gtk: false
-resolver: lts-20.23
-extra-deps:
-- gtk-0.15.8
-- gtk3-0.15.8
-- gio-0.13.8.2
+#    # This needs to be set on macOS
+#    have-quartz-gtk: true
+resolver: lts-23.19
 nix:
-  packages: [pkgconfig, cairo, zlib, pango, xorg.xproto, xorg.libX11, gtk2, gtk3]
+  packages: [pkgconfig, cairo, zlib, pango, xorg.xproto, xorg.libX11, gtk2, gtk3]

stack.yaml.lock

@@ -1,33 +1,12 @@
 # This file was autogenerated by Stack.
 # You should not edit this file by hand.
 # For more information, please see the documentation at:
-#   https://docs.haskellstack.org/en/stable/lock_files
+#   https://docs.haskellstack.org/en/stable/topics/lock_files
 
-packages:
-- completed:
-    hackage: gtk-0.15.8@sha256:26bfec55e0eaeccb04073ead54ce964d0ea9d8a19c5d5018948a18310668d528,16687
-    pantry-tree:
-      size: 21349
-      sha256: c932ffae24a7cda5afb5b2c52e850fc73974b3dc9e60a38a8660b09f4e7f7103
-  original:
-    hackage: gtk-0.15.8
-- completed:
-    hackage: gtk3-0.15.8@sha256:67b66189236fe138dd347e4ae89ea6213f2010d7b5cda368430f269f29521b8d,19600
-    pantry-tree:
-      size: 21251
-      sha256: 974c8b9de3c2d363a8d8e29376fdc64cbce34209f2feb74a8bf09f3a65e0d861
-  original:
-    hackage: gtk3-0.15.8
-- completed:
-    hackage: gio-0.13.8.2@sha256:95a9cc25976992aea0c4d0482b4f98ef165eca9ec2ccd553e2ce646bb0d8c66d,3136
-    pantry-tree:
-      size: 2036
-      sha256: b1733df766fe4f04f052aa4d08d4fed2e506dc0fd1d5357d9020c4256cbd9ac7
-  original:
-    hackage: gio-0.13.8.2
+packages: []
 snapshots:
 - completed:
-    size: 650253
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/23.yaml
-    sha256: 4c972e067bae16b95961dbfdd12e07f1ee6c8fffabbfa05c3d65100b03f548b7
-  original: lts-20.23
+    sha256: 296a7960c37efa382432ab497161a092684191815eb92a608c5d6ea5f894ace3
+    size: 683835
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/23/19.yaml
+  original: lts-23.19