Allow absolute paths if contained in workspace (#3932)

Maybe I'm missing something but I don't see the harm of accessing an absolute path if it's contained in the workspace

Co-authored-by: k-boikov <64261260+k-boikov@users.noreply.github.com>

autogpt/workspace/workspace.py

@@ -120,7 +120,8 @@ class Workspace:
 
         logger.debug(f"Resolved root as '{root}'")
 
-        if relative_path.is_absolute():
+        # Allow exception for absolute paths if they are contained in your workspace directory.
+        if relative_path.is_absolute() and not relative_path.is_relative_to(root):
             raise ValueError(
                 f"Attempted to access absolute path '{relative_path}' in workspace '{root}'."
             )