chore(deps): bump ccxt from 4.4.6 to 4.4.9

Bumps [ccxt](https://github.com/ccxt/ccxt) from 4.4.6 to 4.4.9.
- [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/4.4.6...4.4.9)

---
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

@@ -4,7 +4,7 @@ bottleneck==1.4.0
 numexpr==2.10.1
 pandas-ta==0.3.14b
 
-ccxt==4.4.6
+ccxt==4.4.9
 cryptography==42.0.8; platform_machine == 'armv7l'
 cryptography==43.0.1; platform_machine != 'armv7l'
 aiohttp==3.10.5