Update to Stackage LTS 18.21 (#327)

Author: serras

default.nix

@@ -1,5 +1,5 @@
 let
-  haskellNix = import (builtins.fetchTarball https://github.com/input-output-hk/haskell.nix/archive/7ef531c.tar.gz) {};
+  haskellNix = import (builtins.fetchTarball https://github.com/input-output-hk/haskell.nix/archive/7c5d604.tar.gz) {};
   nixpkgsSrc = haskellNix.sources.nixpkgs-2003;
   nixpkgsArgs = haskellNix.nixpkgsArgs;
 in

stack-nightly.yaml

@@ -1,4 +1,4 @@
-resolver: nightly-2021-12-17
+resolver: nightly-2022-01-06
 allow-newer: true
 
 packages:

stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-18.18
+resolver: lts-18.21
 allow-newer: true
 
 packages:

templates/graphql-server.hsfiles

@@ -30,7 +30,7 @@ executable {{name}}
 
 
 {-# START_FILE stack.yaml #-}
-resolver: lts-18.18
+resolver: lts-18.21
 allow-newer: true
 extra-deps:
 - mu-schema-0.3.1.2

templates/grpc-server-avro.hsfiles

@@ -28,7 +28,7 @@ executable {{name}}
     , text
 
 {-# START_FILE stack.yaml #-}
-resolver: lts-18.18
+resolver: lts-18.21
 allow-newer: true
 extra-deps:
 # mu

templates/grpc-server-protobuf.hsfiles

@@ -28,7 +28,7 @@ executable {{name}}
     , text
 
 {-# START_FILE stack.yaml #-}
-resolver: lts-18.18
+resolver: lts-18.21
 allow-newer: true
 extra-deps:
 # mu