Update Elixir and OTP versions in CI workflow #207

Author: nelsonic

.github/workflows/ci.yml

@@ -24,8 +24,8 @@ jobs:
           --health-retries 5
     strategy:
       matrix:
-        otp: ['25.1.2']
-        elixir: ['1.14.2']
+        otp: ['28.0.1']
+        elixir: ['1.18.4']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Elixir
@@ -53,4 +53,4 @@ jobs:
         AUTH_API_KEY: ${{ secrets.AUTH_API_KEY }}
         ENCRYPTION_KEYS: ${{ secrets.ENCRYPTION_KEYS }}
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v1