Update aiohttp to 3.8.16 to fix vulnerability
Update aiohttp to 3.8.16 to fix vulnerability.

This should fix 10 dependabot alerts.

See: https://github.com/huggingface/datasets-server/actions/runs/6870844230/job/18686524485?pr=2111
```
Found 1 known vulnerability in 1 package
Name    Version ID                  Fix Versions
------- ------- ------------------- ------------
aiohttp 3.8.5   GHSA-gfw2-4jvh-wgfg 3.8.6
```
Update aiohttp to 3.8.16 to fix vulnerability: Update aiohttp to 3.8.16 to fix vulnerability.

This should fix 10 dependabot alerts.

See: https://github.com/huggingface/datasets-server/actions/runs/6870844230/job/18686524485?pr=2111
```
Found 1 known vulnerability in 1 package
Name    Version ID                  Fix Versions
------- ------- ------------------- ------------
aiohttp 3.8.5   GHSA-gfw2-4jvh-wgfg 3.8.6
```