Enhance save_large_file log level

On "decent" connections like we have when we run a scraper,
"--progress=dot:giga" log level is sufficient to get a log at
least once a second. More verbose progress is just filling logs
with unnecessary details.

Author: benoit74

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add support for custom number of retries and user-agent in save_large_file (#278)
+- Enhance save_large_file log level (#279)
 
 ### Fixed
 

src/zimscraperlib/download.py

@@ -136,6 +136,7 @@ def save_large_file(
         f"{retries}",
         "--retry-connrefused",
         "--random-wait",
+        "--progress=dot:giga",
         "-O",
         str(fpath),
         "-c",