Update Elixir OTP compatibility

Author: wilbertliu

.github/workflows/ci.yml

@@ -28,13 +28,16 @@ jobs:
             otp-version: "24.x"
           - elixir-version: "1.18.x"
             otp-version: "24.x"
-          # Elixir 1.14, 1.15 and 1.16 don't support OTP 27
+          # Elixir 1.14 doesn't support OTP 26
+          - elixir-version: "1.14.x"
+            otp-version: "26.x"
+          # Elixir 1.14, 1.15, and 1.16 don't support OTP 27
+          - elixir-version: "1.14.x"
+            otp-version: "27.x"
           - elixir-version: "1.15.x"
             otp-version: "27.x"
           - elixir-version: "1.16.x"
             otp-version: "27.x"
-          - elixir-version: "1.14.x"
-            otp-version: "27.x"
 
     steps:
       - uses: actions/checkout@v4