Add handling for 413 upstream response

src/Transport/ResultStatus.php

@@ -57,6 +57,15 @@ public static function success(): self
         return self::getInstance('SUCCESS');
     }
 
+    /**
+     * Returns an instance of this enum representing the fact that the event
+     * failed to be sent because the content was too large.
+     */
+    public static function contentTooLarge(): self
+    {
+        return self::getInstance('CONTENT_TOO_LARGE');
+    }
+
     /**
      * Returns an instance of this enum representing the fact that the event
      * failed to be sent because of API rate limiting.
@@ -94,6 +103,8 @@ public static function createFromHttpStatusCode(int $statusCode): self
         switch (true) {
             case $statusCode >= 200 && $statusCode < 300:
                 return self::success();
+            case $statusCode === 413:
+                return self::contentTooLarge();
             case $statusCode === 429:
                 return self::rateLimit();
             case $statusCode >= 400 && $statusCode < 500:

tests/Transport/HttpTransportTest.php

@@ -114,6 +114,18 @@ public static function sendDataProvider(): iterable
             ],
         ];
 
+        yield [
+            new Response(413, [], ''),
+            ResultStatus::contentTooLarge(),
+            false,
+            [
+                'info' => [
+                    'Sending event [%s] to %s [project:%s].',
+                    'Sent event [%s] to %s [project:%s]. Result: "content_too_large" (status: 413).',
+                ],
+            ],
+        ];
+
         ClockMock::withClockMock(1644105600);
 
         yield [