Bump sphinx from 3.5.1 to 3.5.2

Created by: dependabot-preview[bot]

Bumps sphinx from 3.5.1 to 3.5.2.

Changelog

Sourced from sphinx's changelog.

Release 3.5.2 (released Mar 06, 2021)

Bugs fixed

• #8943: i18n: Crashed by broken translation messages in ES, EL and HR
• #8936: LaTeX: A custom LaTeX builder fails with unknown node error
• #8952: Exceptions raised in a Directive cause parallel builds to hang

Commits

• a969e90 Bump to 3.5.2 final
• a6158b4 Merge pull request #8956 from tk0miya/8943_update_translations
• 3cd1030 Merge branch '3.5.x' into 8943_update_translations
• cb14587 Merge pull request #8958 from tk0miya/8936_custom_latex_builder
• 866e244 Merge branch '3.5.x' into 8936_custom_latex_builder
• ad10c62 Merge pull request #8957 from tk0miya/8952_hangup_on_parallel_build
• f75e86d Fix #8936: LaTeX: A custom LaTeX builder fails with unknown node error
• ec6ab72 Fix #8952: Exceptions raised in a Directive cause parallel builds to hang
• bae8fb6 i18n: Fix wrong substitution message catalog for el and hr (refs: #8943)
• 99d97c6 Merge pull request #8943 from askhl/3.5.x-fix-spanish-template
• 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)