Add GHC 8.10.1 support, lift base boundary

Author: swamp-agr

language-ecmascript.cabal

@@ -35,7 +35,7 @@ Library
   Hs-Source-Dirs:
     src
   Build-Depends:
-    base >= 4 && < 4.14,
+    base >= 4 && < 4.15,
     mtl >= 1 && < 3,
     parsec > 3 && < 3.2.0,
     ansi-wl-pprint >= 0.6 && < 1,