add docs for the fix described in quarto-dev/quarto-cli#11098

Author: cscheid

docs/projects/scripts.qmd

@@ -69,6 +69,13 @@ If a pre-render script modifies any of these values, an error will be returned a
 
 If you have a `pre-render` step that is expensive, you may want only run it when the entire project is being rendered. Here's how you would do this in the various supported script languages:
 
+### Advanced: large input and output file lists
+
+In some execution environments, the maximum size of an environment might be limited. In this case, a pre- or post-render script invocation might fail when Quarto attempts to build the appropriate environment variables.
+
+In such scenarios, you can declare the environment variable `QUARTO_USE_FILE_FOR_PROJECT_INPUT_FILES` (respectively, `QUARTO_USE_FILE_FOR_PROJECT_OUTPUT_FILES`) to direct Quarto to use the
+declared file as the destination of the file list that would have been written in `QUARTO_PROJECT_INPUT_FILES` (respectively, `QUARTO_PROJECT_OUTPUT_FILES`).
+
 ::: panel-tabset
 ## TypeScript