Configure Renovate

See merge request !19

Resolve "Use real temporary folder for barcode PDF files"

Closes #7

See merge request !18

Resolve "Don't stop if there is only a single connection error"

Closes #6

See merge request !17

Resolve "Migrate configuration to dynaconf"

Closes #2

See merge request !16

Setup debian package

Closes #3 and #5

See merge request !15

Bump isort from 5.7.0 to 5.8.0

Bumps [isort](https://github.com/pycqa/isort) from 5.7.0 to 5.8.0.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/pycqa/isort/compare/5.7.0...5.8.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump sphinx from 3.5.2 to 3.5.3

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 3.5.2 to 3.5.3.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/3.x/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump flake8-docstrings from 1.5.0 to 1.6.0

Bumps [flake8-docstrings](https://gitlab.com/pycqa/flake8-docstrings) from 1.5.0 to 1.6.0.
- [Release notes](https://gitlab.com/pycqa/flake8-docstrings/tags)
- [Changelog](https://gitlab.com/pycqa/flake8-docstrings/blob/master/HISTORY.rst)
- [Commits](https://gitlab.com/pycqa/flake8-docstrings/compare/1.5.0...1.6.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump flake8 from 3.8.4 to 3.9.0

Bumps [flake8](https://gitlab.com/pycqa/flake8) from 3.8.4 to 3.9.0.
- [Release notes](https://gitlab.com/pycqa/flake8/tags)
- [Commits](https://gitlab.com/pycqa/flake8/compare/3.8.4...3.9.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump sphinx from 3.5.1 to 3.5.2

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 3.5.1 to 3.5.2.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/3.x/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/compare/v3.5.1...v3.5.2

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump tox from 3.22.0 to 3.23.0

Bumps [tox](https://github.com/tox-dev/tox) from 3.22.0 to 3.23.0.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/3.23.0/docs/changelog.rst)
- [Commits](https://github.com/tox-dev/tox/compare/3.22.0...3.23.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump sphinx from 3.5.0 to 3.5.1

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 3.5.0 to 3.5.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/3.x/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/compare/v3.5.0...v3.5.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump tox from 3.21.4 to 3.22.0

Bumps [tox](https://github.com/tox-dev/tox) from 3.21.4 to 3.22.0.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/3.22.0/docs/changelog.rst)
- [Commits](https://github.com/tox-dev/tox/compare/3.21.4...3.22.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bump sphinx from 3.4.3 to 3.5.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 3.4.3 to 3.5.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/3.x/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/compare/v3.4.3...v3.5.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>