chore(deps): bump the python group with 4 updates

Bumps the python group with 4 updates: [pypdf](https://github.com/py-pdf/pypdf), [pytz](https://github.com/stub42/pytz), [black](https://github.com/psf/black) and [pytest](https://github.com/pytest-dev/pytest).


Updates `pypdf` from 3.17.4 to 4.0.1
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@3.17.4...4.0.1)

Updates `pytz` from 2023.4 to 2024.1
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2023.4...release_2024.1)

Updates `black` from 23.12.1 to 24.1.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@23.12.1...24.1.1)

Updates `pytest` from 7.4.4 to 8.0.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.4...8.0.0)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: python
- dependency-name: pytz
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: python
- dependency-name: black
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: python
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: python
...

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

pyproject.toml

@@ -10,10 +10,10 @@ packages = [{include = "botcpdf"}]
 python = "^3.10"
 jinja2 = "^3.1.2"
 weasyprint = "^58.1"
-pypdf = "^3.16.4"
+pypdf = "^4.0.1"
 pdf2image = "^1.16.3"
 requests = "^2.28.2"
-pytz = "^2023.3"
+pytz = "^2024.1"
 aws-lambda-powertools = "^2.26.0"
 jmespath = "^1.0.1"
 boto3 = "^1.28.66"
@@ -24,11 +24,11 @@ aws-xray-sdk = "^2.12.1"
 
 
 [tool.poetry.group.dev.dependencies]
-black = "^23.10.0"
+black = "^24.1.1"
 mypy = "^1.6.1"
 pylint = "^3.0.1"
 types-requests = "^2.31.0.10"
-pytest = "^7.4.1"
+pytest = "^8.0.0"
 
 [build-system]
 requires = ["poetry-core"]