drop support for elixir 1.12

Author: lukaszsamson

.github/workflows/ci.yml

@@ -16,10 +16,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: 1.12.x
-            otp: 22.x
-          - elixir: 1.12.x
-            otp: 23.x
           - elixir: 1.13.x
             otp: 22.x
           - elixir: 1.13.x
@@ -56,10 +52,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: 1.12.x
-            otp: 22.x
-          - elixir: 1.12.x
-            otp: 23.x
           - elixir: 1.13.x
             otp: 22.x
           - elixir: 1.13.x

.github/workflows/release-asset.yml

@@ -46,12 +46,6 @@ jobs:
             otp-version: '23.3'
           - elixir-version: '1.13'
             otp-version: '22.3'
-          - elixir-version: '1.12'
-            otp-version: '24.3'
-          - elixir-version: '1.12'
-            otp-version: '23.3'
-          - elixir-version: '1.12'
-            otp-version: '22.3'
             default: true
 
     steps:

VERSION

@@ -1 +1 @@
-0.14.6
+0.15.0

apps/elixir_ls_debugger/mix.exs

@@ -19,7 +19,7 @@ defmodule ElixirLS.Debugger.Mixfile do
       config_path: "../../config/config.exs",
       deps_path: "../../deps",
       lockfile: "../../mix.lock",
-      elixir: ">= 1.12.0",
+      elixir: ">= 1.13.0",
       build_embedded: false,
       start_permanent: true,
       build_per_environment: false,

apps/elixir_ls_utils/mix.exs

@@ -20,7 +20,7 @@ defmodule ElixirLS.Utils.Mixfile do
       deps_path: "../../deps",
       elixirc_paths: elixirc_paths(Mix.env()),
       lockfile: "../../mix.lock",
-      elixir: ">= 1.12.0",
+      elixir: ">= 1.13.0",
       build_embedded: false,
       start_permanent: false,
       build_per_environment: false,

apps/language_server/mix.exs

@@ -15,7 +15,7 @@ defmodule ElixirLS.LanguageServer.Mixfile do
     [
       app: :language_server,
       version: @version,
-      elixir: ">= 1.12.0",
+      elixir: ">= 1.13.0",
       build_path: "../../_build",
       config_path: "../../config/config.exs",
       deps_path: "../../deps",

mix.exs

@@ -9,7 +9,7 @@ defmodule ElixirLS.Mixfile do
       start_permanent: Mix.env() == :prod,
       build_per_environment: false,
       deps: deps(),
-      elixir: ">= 1.12.0",
+      elixir: ">= 1.13.0",
       dialyzer: [
         plt_add_apps: [:dialyxir_vendored, :debugger, :dialyzer, :ex_unit, :hex],
         flags: [