feat(client): set X-Stainless-Runtime header

chore: unknown commit message

Author: stainless-bot

openai-java-core/src/main/kotlin/com/openai/core/ClientOptions.kt

@@ -121,6 +121,7 @@ private constructor(
             headers.put("X-Stainless-OS", getOsName())
             headers.put("X-Stainless-OS-Version", getOsVersion())
             headers.put("X-Stainless-Package-Version", getPackageVersion())
+            headers.put("X-Stainless-Runtime", "JRE")
             headers.put("X-Stainless-Runtime-Version", getJavaVersion())
             if (organization != null) {
                 headers.put("OpenAI-Organization", organization)