Raise lower bound for configurator-pg.

Building on GHC 8.8.3 requires the MonadFail instance that 0.1.0.6
provides.

postgrest.cabal

@@ -52,7 +52,7 @@ library
                     , bytestring                >= 0.10.8 && < 0.11
                     , case-insensitive          >= 1.2 && < 1.3
                     , cassava                   >= 0.4.5 && < 0.6
-                    , configurator-pg           >= 0.1 && < 0.2
+                    , configurator-pg           >= 0.1.0.6 && < 0.2
                     , containers                >= 0.5.7 && < 0.7
                     , contravariant             >= 1.4 && < 1.6
                     , contravariant-extras      >= 0.3.3 && < 0.4

stack.yaml

@@ -15,5 +15,6 @@ nix:
 extra-deps:
   - HsYAML-0.2.1.0@sha256:e4677daeba57f7a1e9a709a1f3022fe937336c91513e893166bd1f023f530d68,5311
   - HsYAML-aeson-0.2.0.0@sha256:04796abfc01cffded83f37a10e6edba4f0c0a15d45bef44fc5bb4313d9c87757,1791
+  - configurator-pg-0.1.0.6@sha256:fa16d1404fc6320fb6ec52f84b1a2128f431c4ab57db78763082ac7871faa943,2943
   - hspec-wai-0.10.1@sha256:56dd9ec1d56f47ef1946f71f7cbf070e4c285f718cac1b158400ae5e7172ef47,2290
   - hspec-wai-json-0.10.1@sha256:67b405c38f0a9e2771480c8d3ecd8aeb8d8776a35d3b2906cb1b76c9538617e4,1629

stack.yaml.lock

@@ -18,6 +18,13 @@ packages:
       sha256: 67cc9ba17c79e71d3abdb465a3ee2825477856fff3b8b7d543cbbbefdae9a9d9
   original:
     hackage: HsYAML-aeson-0.2.0.0@sha256:04796abfc01cffded83f37a10e6edba4f0c0a15d45bef44fc5bb4313d9c87757,1791
+- completed:
+    hackage: configurator-pg-0.1.0.6@sha256:fa16d1404fc6320fb6ec52f84b1a2128f431c4ab57db78763082ac7871faa943,2943
+    pantry-tree:
+      size: 1008
+      sha256: 35744e28f58efd93ad13429d91c7c306dbcd531401132778cb0dc09de87b66be
+  original:
+    hackage: configurator-pg-0.1.0.6@sha256:fa16d1404fc6320fb6ec52f84b1a2128f431c4ab57db78763082ac7871faa943,2943
 - completed:
     hackage: hspec-wai-0.10.1@sha256:56dd9ec1d56f47ef1946f71f7cbf070e4c285f718cac1b158400ae5e7172ef47,2290
     pantry-tree: