bump ex_unicode dep version to 1.12

bump project version to 1.1.8

Author: Vanessa K Lee

CHANGELOG.md

@@ -0,0 +1,9 @@
+# Changelog
+
+## Akin v1.1.8
+
+This is the changelog for Akin v1.1.8 released on November 9th, 2021.  
+
+### Enhancements
+
+* bump :ex_unicode dep from {:ex_unicode, "~> 1.0"} to {:ex_unicode, "~> 1.12"}

mix.exs

@@ -33,7 +33,7 @@ defmodule Akin.Mixfile do
       {:earmark, "~> 1.3", only: :dev},
       {:excoveralls, "~> 0.10", only: :test},
       {:ex_doc, "~> 0.19", only: :dev},
-      {:ex_unicode, "~> 1.0"},
+      {:ex_unicode, "~> 1.12"},
       {:html_entities, "~> 0.5"},
       {:nimble_csv, "~> 1.1"},
       {:stemmer, "~> 1.0"},