chore(deps)(deps): bump aiohttp from 3.12.13 to 3.12.15 in /backend/src

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[github-actions]

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ✅ 0 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ⚠️ 1 package(s) with unknown licenses.

See the Details below.

License Issues

backend/src/requirements.txt

Package	Version	License	Issue Type
aiohttp	3.12.15	Null	Unknown License

OpenSSF Scorecard

Package	Version	Score	Details
pip/aiohttp	3.12.15	🟢 6.8	Details Check Score Reason Code-Review 🟢 5 Found 4/8 approved changesets -- score normalized to 5 Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Maintained 🟢 10 30 commit(s) and 23 issue activity found in the last 90 days -- score normalized to 10 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Binary-Artifacts 🟢 10 no binaries found in the repo License 🟢 9 license file detected Vulnerabilities 🟢 10 0 existing vulnerabilities detected Fuzzing 🟢 10 project is fuzzed Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: githubv4.Query: Resource not accessible by integration Security-Policy 🟢 10 security policy file detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0 Packaging 🟢 10 packaging workflow detected SAST 🟢 8 SAST tool detected but not run on all commits Signed-Releases ⚠️ 0 Project has not signed or included provenance with any releases.

Scanned Files

• backend/src/requirements.txt

[dependabot]

Superseded by #67.