build(deps): bump blacksheep from 1.0.3 to 1.0.4 in /frameworks

[dependabot[bot]]

Bumps blacksheep from 1.0.3 to 1.0.4.

Changelog

Sourced from blacksheep's changelog.

[1.0.4] - 2021-05-09 :crown:

• Adds the Application.exception_handler decorator which registers exception handler functions
• Adds support for documenting parameters' descriptions, with support for various docstring formats: Epytext, reStructuredText, Google, Numpydoc (fixes #124, see discussion #123)
• Corrects stubs for cookies: Response.unset_cookie, and Cookie same site annotation
• Updates essentials-openapi dependency to its next minor version, thus upgrading PyYAML dependency to 5.4.1
• Updates httptools dependency to version 0.2.0
• Throws exception for cookies whose value exceeds the standard length (#96)

Commits

• 97f309a v1.0.4 :crown:
• 9ca5288 fixes #120
• 1dcb8a2 Clean up tests. (#115)
• ac14e62 Remove unused imports in cython files, and polish them (#119)
• 3fd2c6b Bump py from 1.8.0 to 1.10.0 (#108)
• 7e7fec1 Bump urllib3 from 1.25.7 to 1.25.8 (#116)
• 821d5ac Add Applicaton.exception_handler() method. (#112)
• See full diff in compare view

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[dependabot[bot]]

Looks like blacksheep is up-to-date now, so this is no longer needed.