chore(go): add go 1.25 to CI (#800)

Author: rishav-karanjit

.github/workflows/library_go_tests.yml

@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         library: [AwsEncryptionSDK, TestVectors]
-        go-version: ["1.23", "1.24"]
+        go-version: ["1.23", "1.24", "1.25"]
         os: [
             # Sed script doesn't work properly on windows
             # windows-latest,