added prune before getting the size

src/restic/forget.py

@@ -10,6 +10,7 @@ from rich.logging import RichHandler
 from restic import size, snapshots
 from restic.console import console, logger
 from restic.loki import send_to_loki
+from restic.prune import prune
 
 
 class KeepStrategy(BaseModel):
@@ -86,6 +87,7 @@ def main(loki_url: str, dry_run: bool, **kwargs):
         console.print_exception()
     else:
         snapshots.snapshot(loki_url)
+        prune(loki_url, dry_run)
         size.get_size(loki_url)