Updates lifecycle for get-file and upload actions (#4398)

[DO NOT MERGE BEFORE FEATURE IS LIVE IN SERVERLESS]

This PR fixes #4029 by adding version labels to indicate that the file
size restrictions for the following Endpoint Actions have been removed:
`upload`, `get-file`.

## Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this
contribution?
- [ ] Yes  
- [x ] No

---------

Co-authored-by: Brandon Morelli <brandon.morelli@elastic.co>

Author: benironside

solutions/security/endpoint-response-actions.md

@@ -165,7 +165,8 @@ Required privilege (in {{stack}}) or custom role privilege (in {{serverless-shor
 Example: `get-file --path "/full/path/to/file.txt" --comment "Possible malware"`
 
 ::::{note}
-The maximum file size that can be retrieved using `get-file` is `104857600` bytes, or 100 MB.
+:applies_to: {"stack": "removed 9.3", "serverless": "removed"}
+The maximum file size that `get-file` can retrieve is `104857600` bytes, or 100 MB.
 ::::
 
 ::::{tip}
@@ -221,7 +222,9 @@ You can follow this with the `execute` response action to upload and run scripts
 
 
 ::::{note}
-The default file size maximum is 25 MB, configurable in [`kibana.yml`](/deploy-manage/stack-settings.md) with the `xpack.securitySolution.maxUploadResponseActionFileBytes` setting. You must enter the value in bytes (the maximum is `104857600` bytes, or 100 MB).
+The default file size maximum is 25 MB, configurable in [`kibana.yml`](/deploy-manage/stack-settings.md) with the `xpack.securitySolution.maxUploadResponseActionFileBytes` setting. You must enter the value in bytes. 
+
+({applies_to}`stack: removed 9.3`{applies_to}`serverless: removed` the maximum value of `xpack.securitySolution.maxUploadResponseActionFileBytes` is `104857600` bytes, or 100 MB).
 ::::