From 862a6b704ae98599f058c299644cbba1223db81c Mon Sep 17 00:00:00 2001
From: Abdullah Esmail <aesmail@hey.com>
Date: Fri, 1 Sep 2023 16:35:45 +0300
Subject: [PATCH] update CI according to docs.

---
 .github/workflows/ci.yml | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e1b1e40..1d186859 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,19 +9,25 @@ on:
 jobs:
   test:
     name: Test ${{matrix.otp}} / Elixir  ${{matrix.elixir}}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
-        otp: ['24', '25', '26']
-        elixir: ['1.13.4', '1.14.5', '1.15.5']
+        otp: ['22', '23', '24', '25']
+        elixir: ['1.11.4', '1.12.3', '1.13.4', '1.14.5', '1.15.5']
         # Exclude invalid combinations of Elixir and OTP
         exclude:
-          - otp: '25'
-            elixir: '1.13.5'
-          - otp: '26'
-            elixir: '1.13.5'
-          - otp: '26'
+          - otp: '22'
             elixir: '1.14.5'
+          - otp: '22'
+            elixir: '1.15.5'
+          - otp: '23'
+            elixir: '1.15.5'
+          - otp: '25'
+            elixir: '1.11.4'
+          - otp: '25'
+            elixir: '1.12.3'
+          - otp: '25'
+            elixir: '1.13.4'
         # Include the release candidate for the next Elixir, but don't
         # fail CI.
         # include:
@@ -30,7 +36,7 @@ jobs:
         #     experimental: true
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Elixir
       uses: erlef/setup-beam@v1
       with: