Bump requirementslib from 1.5.9 to 1.5.11 in /backend

[dependabot-preview]

Bumps requirementslib from 1.5.9 to 1.5.11.

Changelog

Sourced from requirementslib's changelog.

1.5.11 (2020-06-01)

Bug Fixes

• Packages which use a function call in setup.py to find their own name dynamically will now successfully resolve. #251

1.5.10 (2020-06-01)

Bug Fixes

• Switch to BFS algorithm to iterate possible metadata directories. #186
• Fix a bug that + character in URL auth are converted to a space. #244
• Fixed an issue in the AST parser which caused failures when parsing setup.py files with assignments (e.g. variable = some_value) to the same name more than once, followed by operations on those variables (e.g. new_value = variable + other_variable). #246
• Copy symlinks as well for local path requirements. #248
• Fix a bug that non-string value for name argument will be taken as requirement name. #249

Commits

• ca9dc8d Release 1.5.11
• 3e95401 Merge pull request #252 from sarugaku/bugfix/251
• fc1043c Run setup.py when package names cannot be resolved
• e2ee9c6 Add .vim to gitignore
• cb0a340 pre-bump
• 0cc3380 Release 1.5.10
• 4c27520 Merge pull request #250 from sarugaku/bugfix/249
• c7f0cdb add test cases
• 26e75ba Merge branch 'master' into bugfix/249
• dfe951e Merge pull request #187 from sarugaku/bugfix/186-iter-metadata
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

[dependabot-preview]

Superseded by #41.