Bump isort from 5.5.1 to 5.5.3 in /packages/service-library (#1821)

Bumps [isort](https://github.com/pycqa/isort) from 5.5.1 to 5.5.3.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/develop/CHANGELOG.md)
- [Commits](PyCQA/isort@5.5.1...5.5.3)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

requirements.txt

@@ -15,7 +15,7 @@
 
 # formatter
 black
-isort>=4.2.5,<5 # pylint==2.5.3 constraints isort [required: >=4.2.5,<5, installed: 4.3.21]
+isort>=4.2.5,<6 # pylint==2.5.3 constraints isort [required: >=4.2.5,<5, installed: 4.3.21]
 # dependency manager
 pip-tools
 # version manager