Bump Github Actions

Author: jsmestad

.github/workflows/ci.yml

@@ -4,15 +4,15 @@ on: push
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
     strategy:
       matrix:
         otp: [24.3, 25.3, 26.2]
         elixir: [1.14, 1.15, 1.16]
     steps:
       - name: Checkout codebase
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Elixir
         uses: erlef/setup-beam@v1