Bump ccxt from 1.93.35 to 1.93.66

Bumps [ccxt](https://github.com/ccxt/ccxt) from 1.93.35 to 1.93.66.
- [Release notes](https://github.com/ccxt/ccxt/releases)
- [Changelog](https://github.com/ccxt/ccxt/blob/master/exchanges.cfg)
- [Commits](https://github.com/ccxt/ccxt/compare/1.93.35...1.93.66)

---
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

@@ -2,7 +2,7 @@ numpy==1.23.3
 pandas==1.4.4
 pandas-ta==0.3.14b
 
-ccxt==1.93.35
+ccxt==1.93.66
 # Pin cryptography for now due to rust build errors with piwheels
 cryptography==38.0.1
 aiohttp==3.8.1