Bump the pypi group in /requirements with 8 updates (#1231)

Bumps the pypi group in /requirements with 8 updates:

| Package | From | To |
| --- | --- | --- |
| [beautifulsoup4](https://www.crummy.com/software/BeautifulSoup/bs4/) | `4.12.2` | `4.12.3` |
| [brotli](https://github.com/google/brotli) | `1.0.9` | `1.1.0` |
| [coverage](https://github.com/nedbat/coveragepy) | `7.2.3` | `7.4.0` |
| [django-sekizai](https://github.com/django-cms/django-sekizai) | `4.0.0` | `4.1.0` |
| [flake8](https://github.com/pycqa/flake8) | `6.0.0` | `7.0.0` |
| [lxml](https://github.com/lxml/lxml) | `4.9.3` | `5.1.0` |
| [rcssmin](https://github.com/ndparker/rcssmin) | `1.1.1` | `1.1.2` |
| [rjsmin](https://github.com/ndparker/rjsmin) | `1.2.1` | `1.2.2` |


Updates `beautifulsoup4` from 4.12.2 to 4.12.3

Updates `brotli` from 1.0.9 to 1.1.0
- [Release notes](https://github.com/google/brotli/releases)
- [Changelog](https://github.com/google/brotli/blob/master/CHANGELOG.md)
- [Commits](google/brotli@v1.0.9...v1.1.0)

Updates `coverage` from 7.2.3 to 7.4.0
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.2.3...7.4.0)

Updates `django-sekizai` from 4.0.0 to 4.1.0
- [Release notes](https://github.com/django-cms/django-sekizai/releases)
- [Changelog](https://github.com/django-cms/django-sekizai/blob/master/CHANGELOG.rst)
- [Commits](django-cms/django-sekizai@4.0.0...4.1.0)

Updates `flake8` from 6.0.0 to 7.0.0
- [Commits](PyCQA/flake8@6.0.0...7.0.0)

Updates `lxml` from 4.9.3 to 5.1.0
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-4.9.3...lxml-5.1.0)

Updates `rcssmin` from 1.1.1 to 1.1.2
- [Changelog](https://github.com/ndparker/rcssmin/blob/master/docs/CHANGES)
- [Commits](https://github.com/ndparker/rcssmin/commits/1.1.2)

Updates `rjsmin` from 1.2.1 to 1.2.2
- [Changelog](https://github.com/ndparker/rjsmin/blob/master/docs/CHANGES)
- [Commits](ndparker/rjsmin@1.2.1...1.2.2)

---
updated-dependencies:
- dependency-name: beautifulsoup4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pypi
- dependency-name: brotli
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi
- dependency-name: django-sekizai
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: pypi
- dependency-name: lxml
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: pypi
- dependency-name: rcssmin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pypi
- dependency-name: rjsmin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pypi
...

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

requirements/tests.txt

@@ -1,13 +1,13 @@
 Jinja2==3.1.3
-beautifulsoup4==4.12.2
-brotli==1.0.9
+beautifulsoup4==4.12.3
+brotli==1.1.0
 calmjs==3.4.4
-coverage==7.2.3
+coverage==7.4.0
 csscompressor==0.9.5
-django-sekizai==4.0.0
-flake8==6.0.0
+django-sekizai==4.1.0
+flake8==7.0.0
 html5lib==1.1
-lxml==4.9.3
-rcssmin==1.1.1
-rjsmin==1.2.1
+lxml==5.1.0
+rcssmin==1.1.2
+rjsmin==1.2.2
 slimit==0.8.1