Remove allow-newer flag from stack.yaml

Problem: for whatever reason it was added initially, probably it is not
needed now. It prevents us from easily catching problems with
dependencies.

Solution: remove that flag.

servant-util-beam-pg/package.yaml

@@ -1,6 +1,6 @@
 <<: !include "../hpack/module.yaml"
 name:                servant-util-beam-pg
-version:             0.4
+version:             0.4.1
 synopsis:            Implementation of servant-util primitives for beam-postgres.
 category:            Servant, Web, Database
 
@@ -13,7 +13,7 @@ dependencies:
 - servant-client
 - servant-client-core
 - servant-server
-- servant-util >= 0.1.0 && < 0.4
+- servant-util >= 0.1.0 && < 0.5
 - text
 - universum
 

servant-util-beam-pg/servant-util-beam-pg.cabal

@@ -4,10 +4,10 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: dc7c172794568494e65007d712b2c9cf16507724b081993a576e7c9fdcdc7e67
+-- hash: 181ed4fbcb01887a6876bf359417322f5ad0bc5aac0824b994844756ad71e3cb
 
 name:           servant-util-beam-pg
-version:        0.4
+version:        0.4.1
 synopsis:       Implementation of servant-util primitives for beam-postgres.
 category:       Servant, Web, Database
 homepage:       https://github.com/serokell/servant-util#readme
@@ -78,7 +78,7 @@ library
     , servant-client
     , servant-client-core
     , servant-server
-    , servant-util >=0.1.0 && <0.4
+    , servant-util >=0.1.0 && <0.5
     , text
     , universum
   default-language: Haskell2010
@@ -132,7 +132,7 @@ executable servant-util-beam-pg-examples
     , servant-client
     , servant-client-core
     , servant-server
-    , servant-util >=0.1.0 && <0.4
+    , servant-util >=0.1.0 && <0.5
     , text
     , universum
   default-language: Haskell2010
@@ -193,7 +193,7 @@ test-suite servant-util-beam-pg-test
     , servant-client
     , servant-client-core
     , servant-server
-    , servant-util >=0.1.0 && <0.4
+    , servant-util >=0.1.0 && <0.5
     , servant-util-beam-pg
     , text
     , universum

stack.yaml

@@ -19,7 +19,5 @@ extra-deps:
 - hspec-2.7.9
 - servant-openapi3-2.0.1.3
 
-allow-newer: true
-
 nix:
   packages: [lzma, zlib, postgresql]