Prefix temp:// Directory with "bevy"

To aid with discoverability of the temp folder. Note that the directory is explicitly _not_ logged (e.g., `trace!`) to avoid logging sensitive data (e.g., user names)

Co-Authored-By: Ricky Taylor <[email protected]>

Author: bushrat011899

crates/bevy_asset/src/temp.rs

@@ -38,7 +38,7 @@ pub(crate) fn get_temp_source(
         Some(resource) => resource,
         None => match temporary_file_path {
             Some(path) => TempDirectory::Persist(path.into()),
-            None => TempDirectory::Delete(tempfile::tempdir()?),
+            None => TempDirectory::Delete(tempfile::TempDir::with_prefix("bevy")?),
         },
     };