text: Bump to 2.1.2

Updates text submodule.

hadrian/src/Settings/Warnings.hs

@@ -56,7 +56,7 @@ ghcWarningsArgs = do
         , package primitive    ? pure [ "-Wno-unused-imports"
                                       , "-Wno-deprecations" ]
         , package rts          ? pure [ "-Wcpp-undef" ]
-        , package text         ? pure [ "-Wno-deprecations" ]
+        , package text         ? pure [ "-Wno-deprecations", "-Wno-unused-imports" ]
         , package terminfo     ? pure [ "-Wno-unused-imports" ]
         , package transformers ? pure [ "-Wno-unused-matches"
                                       , "-Wno-unused-imports"

text @ ee0a8f8b

-Subproject commit cdb9e13b39079904eed9d75cd332b66ee0cad0c0
+Subproject commit ee0a8f8b9a4bd3fdad23e9ac0db56e7f08ce35cd