fix(security): address all Dependabot vulnerability alerts (#617)
Python (uv.lock, pyproject.toml):
- authlib 1.6.6 → 1.6.9 (JWS header injection, OIDC hash binding, Bleichenbacher padding oracle)
- pyasn1 0.6.2 → 0.6.3 (unbounded recursion DoS)
- pyjwt 2.10.1 → 2.12.1 (unknown crit header extensions - also in integration-tests and crewai)
- orjson 3.11.4 → 3.11.7 (deeply nested JSON recursion DoS)
- tornado 6.5.2 → 6.5.5 (multipart DoS, incomplete cookie validation)
npm (package.json, package-lock.json):
- next ^16.1.6 → ^16.1.7 (HTTP smuggling, CSRF bypass, cache DoS, null origin bypass)
- fast-xml-parser override updated to >=5.5.6 (numeric entity expansion bypass)
- undici override added >=7.24.0 (WebSocket overflow, smuggling, CRLF injection, DoS)
- flatted override added >=3.4.0 (unbounded recursion DoS)
- svgo override added >=3.3.3 (DOCTYPE entity expansion DoS)
- dompurify override added >=3.3.2 (XSS vulnerability)