Bump pyyaml from 4.2b1 to 5.3b1 in /deployment/production/docker/uwsgi

[dependabot[bot]]

Bumps pyyaml from 4.2b1 to 5.3b1.

Changelog

*Sourced from [pyyaml's changelog](https://github.com/yaml/pyyaml/blob/master/CHANGES).* > > For a complete changelog, see: > > * https://github.com/yaml/pyyaml/commits/ > * https://bitbucket.org/xi/pyyaml/commits/ > > 5.2 (2019-12-02) > ------------------ > > * Repair incompatibilities introduced with 5.1. The default Loader was changed, > but several methods like add_constructor still used the old default > [yaml/pyyaml#279](https://github-redirect.dependabot.com/yaml/pyyaml/pull/279) -- A more flexible fix for custom tag constructors > [yaml/pyyaml#287](https://github-redirect.dependabot.com/yaml/pyyaml/pull/287) -- Change default loader for yaml.add_constructor > [yaml/pyyaml#305](https://github-redirect.dependabot.com/yaml/pyyaml/pull/305) -- Change default loader for add_implicit_resolver, add_path_resolver > * Make FullLoader safer by removing python/object/apply from the default FullLoader > [yaml/pyyaml#347](https://github-redirect.dependabot.com/yaml/pyyaml/pull/347) -- Move constructor for object/apply to UnsafeConstructor > * Fix bug introduced in 5.1 where quoting went wrong on systems with sys.maxunicode <= 0xffff > [yaml/pyyaml#276](https://github-redirect.dependabot.com/yaml/pyyaml/pull/276) -- Fix logic for quoting special characters > * Other PRs: > [yaml/pyyaml#280](https://github-redirect.dependabot.com/yaml/pyyaml/pull/280) -- Update CHANGES for 5.1 > > 5.1.2 (2019-07-30) > ------------------ > > * Re-release of 5.1 with regenerated Cython sources to build properly for Python 3.8b2+ > > 5.1.1 (2019-06-05) > ------------------ > > * Re-release of 5.1 with regenerated Cython sources to build properly for Python 3.8b1 > > 5.1 (2019-03-13) > ---------------- > > * [yaml/pyyaml#35](https://github-redirect.dependabot.com/yaml/pyyaml/pull/35) -- Some modernization of the test running > * [yaml/pyyaml#42](https://github-redirect.dependabot.com/yaml/pyyaml/pull/42) -- Install tox in a virtualenv > * [yaml/pyyaml#45](https://github-redirect.dependabot.com/yaml/pyyaml/pull/45) -- Allow colon in a plain scalar in a flow context > * [yaml/pyyaml#48](https://github-redirect.dependabot.com/yaml/pyyaml/pull/48) -- Fix typos > * [yaml/pyyaml#55](https://github-redirect.dependabot.com/yaml/pyyaml/pull/55) -- Improve RepresenterError creation > * [yaml/pyyaml#59](https://github-redirect.dependabot.com/yaml/pyyaml/pull/59) -- Resolves [#57](https://github-redirect.dependabot.com/yaml/pyyaml/issues/57), update readme issues link > * [yaml/pyyaml#60](https://github-redirect.dependabot.com/yaml/pyyaml/pull/60) -- Document and test Python 3.6 support > * [yaml/pyyaml#61](https://github-redirect.dependabot.com/yaml/pyyaml/pull/61) -- Use Travis CI built in pip cache support > * [yaml/pyyaml#62](https://github-redirect.dependabot.com/yaml/pyyaml/pull/62) -- Remove tox workaround for Travis CI > * [yaml/pyyaml#63](https://github-redirect.dependabot.com/yaml/pyyaml/pull/63) -- Adding support to Unicode characters over codepoint 0xffff > * [yaml/pyyaml#75](https://github-redirect.dependabot.com/yaml/pyyaml/pull/75) -- add 3.12 changelog > * [yaml/pyyaml#76](https://github-redirect.dependabot.com/yaml/pyyaml/pull/76) -- Fallback to Pure Python if Compilation fails > * [yaml/pyyaml#84](https://github-redirect.dependabot.com/yaml/pyyaml/pull/84) -- Drop unsupported Python 3.3 > * [yaml/pyyaml#102](https://github-redirect.dependabot.com/yaml/pyyaml/pull/102) -- Include license file in the generated wheel package > * [yaml/pyyaml#105](https://github-redirect.dependabot.com/yaml/pyyaml/pull/105) -- Removed Python 2.6 & 3.3 support > * [yaml/pyyaml#111](https://github-redirect.dependabot.com/yaml/pyyaml/pull/111) -- Remove commented out Psyco code > ... (truncated)

Commits

- See full diff in [compare view](https://github.com/yaml/pyyaml/commits)

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[lucernae]

Addressed in separate PR

[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.