Fix CI (michalmuskala#136)

* Fix CI

* Remove unused deps

* up

* Update ci.yml

* Update ci.yml

Author: wojtekmach

.github/workflows/ci.yml

@@ -9,36 +9,36 @@ on:
 jobs:
   mix_test:
     name: mix test (Elixir ${{matrix.elixir}} | OTP ${{matrix.otp}})
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       fail-fast: false
       matrix:
         include:
           - elixir: 1.4.x
-            otp: 18.3.4.11
+            otp: 18
           - elixir: 1.5.x
-            otp: 18.3.4.11
+            otp: 18
           - elixir: 1.6.x
-            otp: 19.3.6.13
+            otp: 19
           - elixir: 1.7.x
-            otp: 19.3.6.13
+            otp: 19
           - elixir: 1.8.x
-            otp: 20.3.8.26
+            otp: 20
           - elixir: 1.9.x
-            otp: 20.3.8.26
+            otp: 20
           - elixir: 1.10.x
-            otp: 21.3.8.18
+            otp: 21
           - elixir: 1.11.x
-            otp: 22.3.4.12
+            otp: 22
           - elixir: 1.11.x
-            otp: 23.1.1
+            otp: 23
             warnings_as_errors: true
             static_analysis: true
     env:
       MIX_ENV: test
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-elixir@v1
+      - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}
           elixir-version: ${{matrix.elixir}}

mix.lock

@@ -1,7 +1,6 @@
 %{
   "decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"},
   "dialyxir": {:hex, :dialyxir, "1.0.0", "6a1fa629f7881a9f5aaf3a78f094b2a51a0357c843871b8bc98824e7342d00a5", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "aeb06588145fac14ca08d8061a142d52753dbc2cf7f0d00fc1013f53f8654654"},
-  "earmark": {:hex, :earmark, "1.4.3", "364ca2e9710f6bff494117dbbd53880d84bebb692dafc3a78eb50aa3183f2bfd", [:mix], [], "hexpm", "8cf8a291ebf1c7b9539e3cddb19e9cef066c2441b1640f13c34c1d3cfc825fec"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.10", "6603d7a603b9c18d3d20db69921527f82ef09990885ed7525003c7fe7dc86c56", [:mix], [], "hexpm", "8e2d5370b732385db2c9b22215c3f59c84ac7dda7ed7e544d7c459496ae519c0"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
   "ex_doc": {:hex, :ex_doc, "0.23.0", "a069bc9b0bf8efe323ecde8c0d62afc13d308b1fa3d228b65bca5cf8703a529d", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "f5e2c4702468b2fd11b10d39416ddadd2fcdd173ba2a0285ebd92c39827a5a16"},