Lower get_file_contents blob size limit.

Author: panhania

crates/rrg/src/action/get_file_contents.rs

@@ -5,7 +5,7 @@
 use std::path::PathBuf;
 
 /// Limit on the size of individual file part blob sent to the blob sink.
-const MAX_BLOB_LEN: usize = 2 * 1024 * 1024; // 2 MiB.
+const MAX_BLOB_LEN: usize = 1 * 1024 * 1024; // 1 MiB.
 
 /// Arguments of the `get_file_contents` action.
 pub struct Args {