fetch up to 100 artifacts per page

git_utils.py

diff --git a/git_utils.py b/git_utils.py
index 886bea6..a88778f 100644
--- a/git_utils.py
+++ b/git_utils.py
@@ -89,7 +89,7 @@
 
     # now get the artifacts
     api_url = f'https://api.github.com/repos/{user_name}/{repo}/actions/artifacts'
-    r = requests.get(api_url, headers=headers)
+    r = requests.get(api_url, headers=headers, params={'per_page': 100})
     data = r.json()
 
     # check there are some artifacts