fix: Upgrade lxml version | NPG-000 (#527)

# Description

Upgrading lxml from 4.9.0 to 4.9.3 to fix:

```
❯ poetry install
Installing dependencies from lock file

Package operations: 1 install, 0 updates, 0 removals

  • Installing lxml (4.9.0): Failed

  ChefBuildError

  Backend subprocess exited when trying to invoke get_requires_for_build_wheel
  
  <string>:67: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
  Building lxml version 4.9.0.
  Building without Cython.
  Error: Please make sure the libxml2 and libxslt development packages are installed.
  

  at ~/.local/share/pypoetry/venv/lib/python3.11/site-packages/poetry/installation/chef.py:147 in _prepare
      143│ 
      144│                 error = ChefBuildError("\n\n".join(message_parts))
      145│ 
      146│             if error is not None:
    → 147│                 raise error from None
      148│ 
      149│             return path
      150│ 
      151│     def _prepare_sdist(self, archive: Path, destination: Path | None = None) -> Path:

Note: This error originates from the build backend, and is likely not a problem with poetry but with lxml (4.9.0) not supporting PEP 517 builds. You can verify this by running 'pip wheel --use-pep517 "lxml (==4.9.0)"'.


```
Fixes # (issue) _if applicable_

## Type of change

Please delete options that are not relevant.

- [ x] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce.
Please also list any relevant details for your test configuration

- [ ] Test A
- [ ] Test B

**Test Configuration**: _if applicable_

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**List of new dependencies**: _if applicable_

Provide a list of newly added dependencies in this PR, with the
description of what are they doing and why do we need them.

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## Checklist

- [ ] My code follows the style guidelines of this project
- [ x] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules