Turns on ci flag for local and ci builds

This enables the `ci` flag in the main `stack.yaml`, which is included
in all the ghc-specific versions.

Author: qxjit

stack.yaml

@@ -3,3 +3,7 @@ resolver: lts-22.44
 packages:
   - '.'
 extra-deps: []
+
+flags:
+  non-empty-text:
+    ci: true

stack.yaml.lock

@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    sha256: 6c5aeace2ca5ecde793a9e0acfaa730ec8f384aa2f6183a2a252f5f9ec55d623
-    size: 720039
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/39.yaml
-  original: lts-22.39
+    sha256: 238fa745b64f91184f9aa518fe04bdde6552533d169b0da5256670df83a0f1a9
+    size: 721141
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/44.yaml
+  original: lts-22.44