Bump ccxt from 4.3.34 to 4.3.42

Bumps [ccxt](https://github.com/ccxt/ccxt) from 4.3.34 to 4.3.42.
- [Release notes](https://github.com/ccxt/ccxt/releases)
- [Changelog](https://github.com/ccxt/ccxt/blob/master/CHANGELOG.md)
- [Commits](ccxt/ccxt@4.3.34...4.3.42)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -8,7 +8,7 @@ PyYAML==6.0.1
 tradingview-ta==3.3.0
 aiohttp==3.9.5
 asyncpraw==7.7.1
-ccxt==4.3.34
+ccxt==4.3.42
 transformers==4.41.1
 matplotlib==3.9.0
 scipy==1.13.1