Fix Elixir 1.19 and OTP 28 compatibility

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: khamilowicz

.gitignore

@@ -74,6 +74,7 @@ erl_crash.dump
 *.beam
 /config/*.secret.exs
 .elixir_ls/
+/priv/plts/
 
 ### Elixir Patch ###
 

lib/membrane_stream_plugin/utils.ex

@@ -14,15 +14,17 @@ defmodule Membrane.Stream.Utils do
 
   @spec get_parser(Format.Version.t()) :: {:ok, Format.parser_t()} | {:error, reason :: atom()}
   def get_parser(version) when is_supported_version(version) do
-    {:ok, &@implementations[version].parse/1}
+    module = @implementations[version]
+    {:ok, &module.parse/1}
   end
 
   def get_parser(_version), do: {:error, :unsupported_version}
 
   @spec get_serializer(Format.Version.t()) ::
           {:ok, (Format.action_t() -> binary())} | {:error, reason :: atom()}
   def get_serializer(version) when is_supported_version(version) do
-    {:ok, &@implementations[version].serialize/1}
+    module = @implementations[version]
+    {:ok, &module.serialize/1}
   end
 
   def get_serializer(_version), do: {:error, :unsupported_version}

mix.exs

@@ -40,15 +40,16 @@ defmodule Membrane.Stream.Mixfile do
     [
       {:membrane_core, "~> 1.0"},
       {:membrane_file_plugin, "~> 0.16.0", only: :test},
-      {:ex_doc, ">= 0.0.0", only: :dev, runtime: false},
-      {:dialyxir, ">= 0.0.0", only: :dev, runtime: false},
-      {:credo, ">= 0.0.0", only: :dev, runtime: false}
+      {:ex_doc, "~> 0.34", only: :dev, runtime: false},
+      {:dialyxir, "~> 1.4", only: :dev, runtime: false},
+      {:credo, "~> 1.7", only: :dev, runtime: false}
     ]
   end
 
   defp dialyzer() do
     opts = [
-      flags: [:error_handling]
+      flags: [:error_handling],
+      plt_add_apps: [:mix, :syntax_tools]
     ]
 
     if System.get_env("CI") == "true" do