Increase Payload size from 500MB to 1GB (#4493)

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/util/CodeWhispererConstants.kt

@@ -52,7 +52,7 @@ object CodeWhispererConstants {
     val ISSUE_HIGHLIGHT_TEXT_ATTRIBUTES = TextAttributes(null, null, JBColor.YELLOW, EffectType.WAVE_UNDERSCORE, Font.PLAIN)
     const val CODE_SCAN_ISSUE_TITLE_MAX_LENGTH = 60
     const val DEFAULT_CODE_SCAN_TIMEOUT_IN_SECONDS: Long = 60 * 10 // 10 minutes
-    const val DEFAULT_PAYLOAD_LIMIT_IN_BYTES: Long = 500 * 1024 * 1024 // 500 MB
+    const val DEFAULT_PAYLOAD_LIMIT_IN_BYTES: Long = 1 * 1024 * 1024 * 1024 // 1GB
     const val CODE_SCAN_POLLING_INTERVAL_IN_SECONDS: Long = 1
     const val FILE_SCAN_INITIAL_POLLING_INTERVAL_IN_SECONDS: Long = 10
     const val PROJECT_SCAN_INITIAL_POLLING_INTERVAL_IN_SECONDS: Long = 30