bug fix to avoid swallowing exceptions/failed pages inside fetch_all_pages/small refactor

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "monitor-utils"
 version = "0.1.0"
-requires-python = ">=3.10"
+requires-python = ">=3.11"  # asyncio.timeout/TaskGroup, BaseExceptionGroup
 dependencies = [
     "aiohttp>=3.14.1",
     "aioproxies @ git+https://git.rethinkstudios.io/rethink-public/aioproxies.git",
@@ -36,7 +36,7 @@ testpaths = ["tests"]
 
 [tool.ruff]
 line-length = 88
-target-version = "py310"
+target-version = "py311"
 # dsql_shortlinks.py is vendored third-party code; leave it untouched.
 extend-exclude = ["src/monitor_utils/dsql_shortlinks.py"]