ghcide: Require unordered-containers >= 0.2.21

In preparation for using the new  `lookupKey` function:

haskell-unordered-containers/unordered-containers#546

Author: sjakobi

ghcide/ghcide.cabal

@@ -106,7 +106,7 @@ library
     , transformers
     , unliftio                     >=0.2.6
     , unliftio-core
-    , unordered-containers         >=0.2.10.0
+    , unordered-containers         >=0.2.21
     , vector
 
   if os(windows)

stack-lts22.yaml

@@ -28,6 +28,7 @@ extra-deps:
   - lsp-types-2.3.0.0
   - monad-dijkstra-0.1.1.4 # 5
   - retrie-1.2.3
+  - unordered-containers-0.2.21
 
   # stan and friends
   - stan-0.2.1.0

stack.yaml

@@ -27,6 +27,7 @@ extra-deps:
   - hw-fingertree-0.1.2.1
   - monad-dijkstra-0.1.1.5
   - retrie-1.2.3
+  - unordered-containers-0.2.21
 
   # stan dependencies not found in the stackage snapshot
   - stan-0.2.1.0