update CI config

Author: woylie

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 env:
   ELIXIR_VERSION: "1.14"
-  OTP_VERSION: "25.1"
+  OTP_VERSION: "25.3"
 
 on:
   push:
@@ -18,14 +18,14 @@ jobs:
     name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
     strategy:
       matrix:
-        otp: ["22.3", "23.3", "24.3", "25.1"]
+        otp: ["22.3", "23.3", "24.3", "25.3"]
         elixir: ["1.11", "1.12", "1.13", "1.14"]
         exclude:
-          - otp: "25.1"
+          - otp: "25.3"
             elixir: "1.11"
-          - otp: "25.1"
+          - otp: "25.3"
             elixir: "1.12"
-          - otp: "25.1"
+          - otp: "25.3"
             elixir: "1.13"
           - otp: "22.3"
             elixir: "1.14"