build(deps): bump metatrader5 in the python-requirements group (#24)

Bumps the python-requirements group with 1 update: [metatrader5](https://www.metatrader5.com).


Updates `metatrader5` from 5.0.4738 to 5.0.4803

---
updated-dependencies:
- dependency-name: metatrader5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-requirements
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]