fixup! [Chore] Account for new (~) operator

Martoon-00 · Martoon-00 · commit 8f3677225d36 · 2023-06-23T19:58:23.000+03:00
diff --git a/universum.cabal b/universum.cabal
@@ -145,6 +145,9 @@ test-suite universum-test
 
   ghc-options:         -threaded
 
+  default-extensions:  ExplicitNamespaces
+                       TypeOperators
+
 test-suite universum-doctest
   import:              common-options
   if os(windows)
