Bump version to 0.8.1

Author: bblaszkow06

README.md

@@ -17,7 +17,7 @@ The package can be installed by adding `membrane_aac_fdk_plugin` to your list of
 ```elixir
 def deps do
   [
-    {:membrane_aac_fdk_plugin, "~> 0.8.0"}
+    {:membrane_aac_fdk_plugin, "~> 0.8"}
   ]
 end
 ```

mix.exs

@@ -1,7 +1,7 @@
 defmodule Membrane.AAC.FDK.Plugin.MixProject do
   use Mix.Project
 
-  @version "0.8.0"
+  @version "0.8.1"
   @github_url "https://github.com/membraneframework/membrane_aac_fdk_plugin"
 
   def project do
@@ -42,7 +42,7 @@ defmodule Membrane.AAC.FDK.Plugin.MixProject do
   defp package do
     [
       maintainers: ["Membrane Team"],
-      licenses: ["Apache 2.0"],
+      licenses: ["Apache-2.0"],
       links: %{
         "GitHub" => @github_url,
         "Membrane Framework Homepage" => "https://membraneframework.org"