chore(deps): bump yfinance from 0.2.54 to 1.3.0 in /backend

Bumps [yfinance](https://github.com/ranaroussi/yfinance) from 0.2.54 to 1.3.0.
- [Release notes](https://github.com/ranaroussi/yfinance/releases)
- [Changelog](https://github.com/ranaroussi/yfinance/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/ranaroussi/yfinance/compare/0.2.54...1.3.0)

---
updated-dependencies:
- dependency-name: yfinance
  dependency-version: 1.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

backend/pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "slowapi==0.1.9",
     "vaderSentiment>=3.3.0",
     "uvicorn==0.34.0",
-    "yfinance==0.2.54",
+    "yfinance==1.3.0",
 ]
 
 [dependency-groups]