[Security] Bump jekyll from 3.1.6 to 3.6.3

[dependabot-preview]

Bumps jekyll from 3.1.6 to 3.6.3. This update includes security fixes.

Vulnerabilities fixed

Sourced from The Ruby Advisory Database.

Jekyll _config.yml privilege escalation
Jekyll through 3.6.2, 3.7.x through 3.7.3, and 3.8.x through 3.8.3 allows attackers to access arbitrary files by specifying a symlink in the "include" key in the "_config.yml" file.

Patched versions: ~> 3.6.3; ~> 3.7.4; >= 3.8.4
Unaffected versions: none

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects jekyll
Jekyll through 3.6.2, 3.7.x through 3.7.3, and 3.8.x through 3.8.3 allows attackers to access arbitrary files by specifying a symlink in the "include" key in the "_config.yml" file.

Affected versions: < 3.6.3

Release notes

Sourced from jekyll's releases.

v3.6.2

Development Fixes

• Update Rubocop to 0.51.0 (#6444)
• Add test for layout as string (#6445)

Bug Fixes

• Problematic UTF+bom files (#6322)
• Always treat data.layout as a string (#6442)

v3.6.1

Documentation

• Doc y_day in docs/permalinks (#6244)
• Update frontmatter.md (#6371)
• Elaborate on excluding items from processing (#6136)
• Style lists in tables (#6379)
• Remove duplicate &#34;available&#34; (#6380)

Development Fixes

• Bump rubocop to use v0.50.x (#6368)

v3.6.0

Minor Enhancements

• Ignore final newline in folded YAML string (#6054)
• Add URL checks to Doctor (#5760)
• Fix serving files that clash with directories (#6222) (#6231)
• Bump supported Ruby version to >= 2.1.0 (#6220)
• set LiquidError#template_name for errors in included file (#6206)
• Access custom config array throughout session (#6200)
• Add support for Rouge 2, in addition to Rouge 1 (#5919)
• Allow yield to logger methods & bail early on no-op messages (#6315)
• Update mime-types. (#6336)
• Use a Schwartzian transform with custom sorting (#6342)
• Alias Drop#invoke_drop to Drop#[] (#6338)

Bug Fixes

• Deprecator: fix typo for --serve command (#6229)
• Reader#read_directories: guard against an entry not being a directory (#6226)
• kramdown: symbolize keys in-place (#6247)
• Call to_s on site.url before attempting to concatenate strings (#6253)
• Enforce Style/FrozenStringLiteralComment (#6265)
• Update theme-template README to note &#39;assets&#39; directory (#6257)
• Memoize the return value of Document#url (#6266)
• delegate StaticFile#to_json to StaticFile#to_liquid (#6273)
• Fix Drop#key? so it can handle a nil argument (#6281)

... (truncated)

Changelog

Sourced from jekyll's changelog.

3.6.3 / 2018-09-18

Bug Fixes

• 3.6.x: security: fix include bypass of EntryFilter#filter symlink check (#7229)

3.6.2 / 2017-10-21

Development Fixes

• Update Rubocop to 0.51.0 (#6444)
• Add test for layout as string (#6445)

Bug Fixes

• Problematic UTF+bom files (#6322)
• Always treat data.layout as a string (#6442)

3.6.1 / 2017-10-20

Documentation

• Doc y_day in docs/permalinks (#6244)
• Update frontmatter.md (#6371)
• Elaborate on excluding items from processing (#6136)
• Style lists in tables (#6379)
• Remove duplicate &#34;available&#34; (#6380)

Development Fixes

• Bump rubocop to use v0.50.x (#6368)

3.6.0 / 2017-09-21

Minor Enhancements

• Ignore final newline in folded YAML string (#6054)
• Add URL checks to Doctor (#5760)
• Fix serving files that clash with directories (#6222) (#6231)
• Bump supported Ruby version to >= 2.1.0 (#6220)
• set LiquidError#template_name for errors in included file (#6206)
• Access custom config array throughout session (#6200)
• Add support for Rouge 2, in addition to Rouge 1 (#5919)
• Allow yield to logger methods & bail early on no-op messages (#6315)
• Update mime-types. (#6336)
• Use a Schwartzian transform with custom sorting (#6342)
• Alias Drop#invoke_drop to Drop#[] (#6338)

Bug Fixes

... (truncated)

Commits

• 9012230 Release 💎 3.6.3
• 3ffee1d Release 💎 3.6.3
• caddaeb 3.6.x: security: fix include bypass of EntryFilter#filter symlink check (...
• 0b83d76 Update site History
• 0d555a7 Release 💎 3.6.2
• 1cda184 Update history to reflect merge of #6451 #6452 #6453 [ci skip]
• 5a0582a Backport add-test-for-layout-as-string from #6445 to 3.6-stable
• 035c6e0 Backport patch-1 from #6442 to 3.6-stable
• 1377cf2 Backport utf8-bom from #6322 to 3.6-stable (#6451)
• de4007c Update history to reflect merge of #6450 [ci skip]
• Additional commits viewable in compare view

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