Bump ccxt from 4.1.22 to 4.1.31

Bumps [ccxt](https://github.com/ccxt/ccxt) from 4.1.22 to 4.1.31.
- [Release notes](https://github.com/ccxt/ccxt/releases)
- [Changelog](https://github.com/ccxt/ccxt/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ccxt/ccxt/compare/4.1.22...4.1.31)

---
updated-dependencies:
- dependency-name: ccxt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -3,7 +3,7 @@ numpy==1.26.1; platform_machine != 'armv7l'
 pandas==2.0.3
 pandas-ta==0.3.14b
 
-ccxt==4.1.22
+ccxt==4.1.31
 cryptography==41.0.5
 aiohttp==3.8.6
 SQLAlchemy==2.0.22