Bump sassc from 2.2.1 to 2.4.0

[dependabot-preview]

Bumps sassc from 2.2.1 to 2.4.0.

Changelog

Sourced from sassc's changelog.

• 2.4.0

  • Update libsass to 3.6.4
  • Use FFI::MemoryPointer instead of libc's malloc()
  • Test against Ruby 2.7.0

• 2.3.0

  • Fix rake gem:native task
  • disable lto flag for darwin + nix
  • Sort input file list
  • Set appropriate encoding for source_map
  • allow passing functions directly
  • always dispose data context
  • Update libsass to 3.6.3
  • Restore strip symbols
  • Default --march-tune-native to false
  • Fix compile issue on Mac OS X
  • Test on TruffleRuby in TravisCI
  • Use RbConfig::MAKEFILE_CONFIG['DLEXT'] instead of hardcoding extensions

• 2.2.1

  • Fix LoadError on some non-rvm environments

• 2.2.0

  • Do not build precompiled gems for Linux

• 2.1.0

  • Equivalent to 2.1.0.pre3

• 2.1.0.pre3

  • extconf.rb: Always write VERSION if we have .git
  • Update libsass to 3.6.1

• 2.1.0.pre2

  • Reduce Ruby warnings
  • prefer equal? to determine object identity
  • Link C/C++ stdlib statically for binary gems

• 2.1.0.pre1

  • Update Libsass to 3.6.0
  • Support old Ruby versions

• 2.0.1

  • Relax FFI dependency

• 2.0.0

  • Remove dependency on Ruby Sass
  • frozen_string_literal all files

• 1.12.1

  • Downgrade to libsass 3.5.2 to fix css imports

• 1.12.0

  • Update Libsass to 3.5.4
  • bundler is a development dependency

• 1.11.4

  • Fix Value::List related issue with sass 3.5.0

• 1.11.3

  • Require Sass::Deprecation module

• 1.11.2

  • Update to libsass 3.4.3

... (truncated)

Commits

• 2adab27 version bump
• 4bd764f Merge pull request #205 from larskanis/remove-libc
• 1039a4d Merge pull request #193 from okuramasafumi/test-against-ruby-27
• 9256d01 Merge pull request #199 from ahorek/libsass_update_364
• d6d9dab Use FFI::MemoryPointer instead of libc's malloc()
• 38cbb78 Update libsass to 3.6.4
• 7df1271 update changelog
• c51169a version bump 2.3.0
• 1bc1c54 Merge pull request #196 from casperisfine/drop-32bit-targets
• ee8154d Fix rake gem:native task
• 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)
• Automerge options (never/patch/minor, and dev/runtime dependencies)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)