downgrade Ktor to 3.2.3 (#342)

- ktor 3.2.3
- Tests are ignored because Ktor 3.2.3 has issues with wasm in the test
environment. However, it works outside of tests. All other targets pass
these tests successfully.

## Motivation and Context
compatibility with older versions of Ktor

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ serialization = "1.9.0"
 collections-immutable = "0.4.0"
 coroutines = "1.10.2"
 kotlinx-io = "0.8.0"
-ktor = "3.3.1"
+ktor = "3.2.3"
 logging = "7.0.13"
 slf4j = "2.0.17"
 kotest = "6.0.4"