chore: Upgrade stack LTS snapshot to 21.9 (GHC 9.4.6).

src/GitHub/WebHook/Handler.hs

@@ -12,10 +12,10 @@ import           Crypto.Hash           (HMAC, SHA1, digestToHexByteString, hmac,
                                         hmacGetDigest)
 import           Data.Aeson            (ToJSON (..), Value (..),
                                         eitherDecodeStrict')
+import qualified Data.Aeson.KeyMap     as KeyMap
 import           Data.Aeson.Types      (parseEither)
 import           Data.ByteString       (ByteString)
 import qualified Data.ByteString.Char8 as BC8
-import qualified Data.HashMap.Strict   as HashMap
 import           Data.Text             (Text)
 import qualified Data.Text             as Text
 import           Data.Text.Encoding    (decodeUtf8)
@@ -77,7 +77,7 @@ removeNulls :: ToJSON a => a -> Value
 removeNulls = go . toJSON
   where
     go (Array  x) = Array . Vector.map go $ x
-    go (Object x) = Object . HashMap.map go . HashMap.filter (not . isEmpty) $ x
+    go (Object x) = Object . KeyMap.map go . KeyMap.filter (not . isEmpty) $ x
     go         x  = x
 
     isEmpty Null      = True

stack.yaml

@@ -1,7 +1,3 @@
 ---
 packages: [.]
-resolver: lts-18.18
-extra-deps:
-  - github-0.27@sha256:2288b807a4bd97fefeff75487ef5d2ed31f0faa18f306e01e5f5cb498e228208,7033
-  - suspend-0.2.0.0@sha256:0d98526558b773c3ff792664bc45d7a083a32eedb6206d4101a7570869c75a28,1115
-  - timers-0.2.0.4@sha256:081e81f1f7384795acc4f887cf3c07cc6e7a9c1bf6e65f0f94507f3d2e0585c2,1175
+resolver: lts-21.9