fix(gatsby-source-contentful): Contentful page limit backoff (#30549) (…

…#30618)

(cherry picked from commit 9d883c6)

Co-authored-by: Benedikt Rötsch <axe312ger@users.noreply.github.com>

packages/gatsby-source-contentful/src/gatsby-node.js

@@ -105,7 +105,7 @@ List of locales and their codes can be found in Contentful app -> Settings -> Lo
         .description(
           `Number of entries to retrieve from Contentful at a time. Due to some technical limitations, the response payload should not be greater than 7MB when pulling content from Contentful. If you encounter this issue you can set this param to a lower number than 100, e.g 50.`
         )
-        .default(100),
+        .default(1000),
       assetDownloadWorkers: Joi.number()
         .integer()
         .description(