🛡️ Sentinel: [CRITICAL] Prevent leaking Azure OpenAI API key in logs

When `OPENAI_LOG` is configured, `HttpLoggingInterceptor` logs HTTP requests/responses. Previously, only the `Authorization` header was redacted. This commit also redacts the `api-key` header to ensure Azure API keys are not exposed in application logs.

Author: vincerevu

openai-java-client-okhttp/src/main/kotlin/com/openai/client/okhttp/OkHttpClient.kt

@@ -95,7 +95,10 @@ internal constructor(@JvmSynthetic internal val okHttpClient: okhttp3.OkHttpClie
             }
         if (logLevel != null) {
             clientBuilder.addNetworkInterceptor(
-                HttpLoggingInterceptor().setLevel(logLevel).apply { redactHeader("Authorization") }
+                HttpLoggingInterceptor().setLevel(logLevel).apply {
+                    redactHeader("Authorization")
+                    redactHeader("api-key")
+                }
             )
         }