(fix gatsby - redux cache) Reduced chunk size buffer from 150 gb to 1…

….5 gb (#21993)

* (blog)Draft challenge 10 of 100daysofgatsby (#21969)

* Draft challenge 10 of 100daysofgatsby

* chore: format

* Fix challenge number

* Fix typos and add addititional links.

* Update docs/blog/100days/performance/index.md

Co-Authored-By: Obinna Ekwuno  <obinnacodes@gmail.com>

* Remove "first person" as per style guide

Co-authored-by: GatsbyJS Bot <mathews.kyle+gatsbybot@gmail.com>
Co-authored-by: Obinna Ekwuno  <obinnacodes@gmail.com>

* reduced target ceiling from 150 gb to 1.5 gb)

* Revert "(blog)Draft challenge 10 of 100daysofgatsby (#21969)"

This reverts commit 36daee0.

Co-authored-by: Hashim Warren <hashimwarren@gmail.com>
Co-authored-by: GatsbyJS Bot <mathews.kyle+gatsbybot@gmail.com>
Co-authored-by: Obinna Ekwuno  <obinnacodes@gmail.com>

packages/gatsby/src/redux/persist.ts

@@ -88,7 +88,7 @@ function guessSafeChunkSize(values: [string, IReduxNode][]): number {
   // Max size of a Buffer is 2gb (yeah, we're assuming 64bit system)
   // https://stackoverflow.com/questions/8974375/whats-the-maximum-size-of-a-node-js-buffer
   // Use 1.5gb as the target ceiling, allowing for some margin of error
-  return Math.floor((150 * 1024 * 1024 * 1024) / maxSize)
+  return Math.floor((1.5 * 1024 * 1024 * 1024) / maxSize)
 }
 
 function prepareCacheFolder(