[HIGH] GHSA-69f9-5gxw-wvc2 in aiohttp 3.8.3

## Heimdall Finding

- Severity: `high`
- Confidence: `high`
- Fingerprint: `deps-PyPI-aiohttp-GHSA-69f9-5gxw-wvc2`
- Location: `dhra_api/requirements.txt`:1

### Summary

Vulnerable dependency: aiohttp 3.8.3 (PyPI)

### Suggested Patch

```diff
```
--- dhra_api/requirements.txt
+++ dhra_api/requirements.txt
@@ -1 +1 @@
-aiohttp==3.8.3
+aiohttp==3.8.4
```
```
