Bump pandoc-lua-engine version to 0.3.1, depend on it in pandoc-cli

pandoc-cli/pandoc-cli.cabal

@@ -89,7 +89,7 @@ executable pandoc
 
   if flag(lua)
     build-depends:   hslua-cli         >= 1.4.1 && < 1.5,
-                     pandoc-lua-engine >= 0.3   && < 0.4,
+                     pandoc-lua-engine >= 0.3.1 && < 0.4,
                      temporary         >= 1.1 && < 1.4
     hs-source-dirs:  lua
   else

pandoc-lua-engine/pandoc-lua-engine.cabal

@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                pandoc-lua-engine
-version:             0.3
+version:             0.3.1
 build-type:          Simple
 license:             GPL-2.0-or-later
 license-file:        COPYING.md