Bump websockets from 15.0.1 to 16.0

Bumps [websockets](https://github.com/python-websockets/websockets) from 15.0.1 to 16.0.
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](python-websockets/websockets@15.0.1...16.0)

---
updated-dependencies:
- dependency-name: websockets
  dependency-version: '16.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -43,5 +43,5 @@ tzdata==2026.1
 urllib3==2.6.3
 vaderSentiment==3.3.2
 watchdog==6.0.0
-websockets==15.0.1
+websockets==16.0
 yfinance==1.2.1