Continue preparing provider docs even if changelog is empty for any p…

…rovider

dev/breeze/src/airflow_breeze/commands/release_management_commands.py

@@ -2195,7 +2195,7 @@ class ProviderPRInfo(NamedTuple):
                     f"[warning]Skipping provider {provider_id}. "
                     "The changelog file doesn't contain any PRs for the release.\n"
                 )
-                return
+                continue
             provider_prs[provider_id] = [pr for pr in prs if pr not in excluded_prs]
             all_prs.update(provider_prs[provider_id])
         g = Github(github_token)