Fix ci (#226)

* updated minimum elixir version due to ecto dependency

* make ci run on PRs

* Update .github/workflows/ci.yml

Co-authored-by: Petr Stepchenko <nitrinodev@gmail.com>

* tweaks

---------

Co-authored-by: Gabriel Perales <gabriel.perales@cabify.com>
Co-authored-by: Petr Stepchenko <nitrinodev@gmail.com>

.github/workflows/ci.yml

@@ -1,4 +1,5 @@
-on: push
+on: 
+  pull_request:
 
 jobs:
   test:
@@ -7,10 +8,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - otp: 25.1
-            elixir: 1.15.4
+          - otp: 27.0
+            elixir: 1.17.2
           - otp: 21.3
-            elixir: 1.7.4
+            elixir: 1.11.4
 
     steps:
       - uses: actions/checkout@v3

mix.exs

@@ -10,7 +10,7 @@ defmodule Money.Mixfile do
       aliases: aliases(),
       name: "Money",
       version: @version,
-      elixir: "~> 1.0",
+      elixir: "~> 1.11",
       deps: deps(),
       docs: fn ->
         [
@@ -36,7 +36,7 @@ defmodule Money.Mixfile do
   defp deps do
     [
       # Soft dependencies
-      {:ecto, "~> 1.0 or ~> 2.0 or ~> 2.1 or ~> 3.0", optional: true},
+      {:ecto, "~> 2.1 or ~> 3.0", optional: true},
       {:phoenix_html, "~> 2.0 or ~> 3.0 or ~> 4.0", optional: true},
       {:decimal, "~> 1.0 or ~> 2.0", optional: true},