chore(deps): [security] bump parso from 0.4.0 to 0.5.0

[dependabot-preview[bot]]

Bumps parso from 0.4.0 to 0.5.0. This update includes security fixes.

Vulnerabilities fixed

*Sourced from The GitHub Security Advisory Database.* > **High severity vulnerability that affects parso** > A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. > > Affected versions: <= 0.4.0

Changelog

*Sourced from [parso's changelog](https://github.com/davidhalter/parso/blob/master/CHANGELOG.rst).* > 0.5.0 (2019-06-20) > ================== > > - **Breaking Change** comp\_for is now called sync\_comp\_for for all Python versions to be compatible with the Python 3.8 Grammar > - Added .pyi stubs for a lot of the parso API > - Small FileIO changes

Commits

- [`59df3fa`](https://github.com/davidhalter/parso/commit/59df3fab4358d5889556c2450c2d1deb36facdb7) Some small changes to the changelog - [`803cb5f`](https://github.com/davidhalter/parso/commit/803cb5f25fcee525c4eac1242d64e5327cde2b47) Make parso work at least somewhat with an older Jedi version - [`3fa8630`](https://github.com/davidhalter/parso/commit/3fa8630ba9824aee3dc5f769d8fb56034890cb94) Use an immutable map for used names, so that it can be use for hashing - [`1ca5ae4`](https://github.com/davidhalter/parso/commit/1ca5ae4008da7fefe56c0612fa1a4ae8307ae779) Bump the version number to the next release: 0.5.0 - [`c3c1616`](https://github.com/davidhalter/parso/commit/c3c16169b5b810247521b5c96fab0d9058844a34) Ignore positional only arguments slash when listing params - [`ecbe2b9`](https://github.com/davidhalter/parso/commit/ecbe2b99264ed344967628f67acef4d2c82155f7) Add positional only arguments to grammar - [`1929c14`](https://github.com/davidhalter/parso/commit/1929c144dcb2e18c5ebcfe5037431a8a4fc3d310) Increate the _PICKLE_VERSION to avoid issues with the latest breaking change - [`b5d5039`](https://github.com/davidhalter/parso/commit/b5d50392a4058919c0018666cdfc8c3eaaea9cb5) comp_for is now called sync_comp_for for all Python versions to be compatible... - [`a7aa23a`](https://github.com/davidhalter/parso/commit/a7aa23a7f0010868bdd8d3c5d7785db1035f0c85) Parse named expressions - [`5430415`](https://github.com/davidhalter/parso/commit/5430415d4463900c1780488f9cdddc5eb9814ecc) Change a test, because it doesn't really matter - Additional commits viewable in [compare view](https://github.com/davidhalter/parso/compare/v0.4.0...v0.5.0)

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