Bump base bound to 4.21 for GHC 9.12

wz1000 · wz1000 · commit 2cb0a50fa6fe · 2024-11-14T19:15:44.000+05:30
diff --git a/os-string.cabal b/os-string.cabal
@@ -63,7 +63,7 @@ library
 
   default-language: Haskell2010
   build-depends:
-    , base              >=4.12.0.0      && <4.21
+    , base              >=4.12.0.0      && <4.22
     , bytestring        >=0.11.3.0
     , deepseq
     , exceptions
