Pin older aiohttp to check cosmos timeouts (#41367)

* pin older aiohttp to check a thought

* Update sdk/cosmos/azure-cosmos/dev_requirements.txt

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Simon Moreno <30335873+simorenoh@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

sdk/cosmos/azure-cosmos/dev_requirements.txt

@@ -1,4 +1,4 @@
-aiohttp>=3.8.5
+aiohttp>=3.8.5,<=3.12.2
 -e ../../core/azure-core
 -e ../../identity/azure-identity
 -e ../../../tools/azure-sdk-tools