Update mixlib-shellout requirement from ~> 2.2, < 2.3.0 to ~> 2.2, < 3.1.0

[dependabot-preview]

Updates the requirements on mixlib-shellout to permit the latest version.

Changelog

Sourced from mixlib-shellout's changelog.

v2.4.4 (2018-12-12)

Merged Pull Requests

• Have expeditor promote the windows gem as well #172 (tas50)
• Don&#39;t ship the readme in the gem artifact #173 (tas50)

v2.4.2 (2018-12-06)

Merged Pull Requests

• Test on ruby-head and Ruby 2.6 in Travis #170 (tas50)
• Remove dev deps from the gemspec #171 (tas50)

Release 2.4.0

• Added username and password validation for elevated option on Windows
• Added support for setting sensitive so that potentially sensitive output is suppressed

Release 2.3.2

• Fix bad method call in Windows Process module

Release 2.3.1

• Make Mixlib::ShellOut::EmptyWindowsCommand inherit from ShellCommandFailed

Release 2.3.0

• Add support for 'elevated' option on Windows, which logs on as batch server which is not affected by User Account Control (UAC)

Release 2.2.6

• Fix regression introduced in 2.2.2 by changing CreateProcessAsUserW to use a :int instead of :bool for the inherit flag to fix shell_out on windows from a service context

Release 2.2.5

• tschuy: convert environment hash keys to strings

Release 2.2.3

• Kill all child processes on Windows when a command times out.

Release 2.2.2

• Ship gemspec and Gemfiles to facilitate testing.
• Fix #111 by pulling in an updated version of win-32/process and correctly patching Process::create.
• Kill all child processes on Windows when a command times out.

Release 2.2.1

• Fix executable resolution on Windows when a directory exists with the same name as the command to run

... (truncated)

Commits

• 43f7315 Bump version to 2.4.4 by Chef Expeditor
• 90a54f7 Merge pull request #173 from chef/slim2
• 9bd9cdf Don't ship the readme in the gem artifact
• 8f1ee60 Bump version to 2.4.3 by Chef Expeditor
• 5c87f7b Merge pull request #172 from chef/promote_windows
• 7416f98 Have expeditor promote the windows gem as well
• 4afe4ba Update CHANGELOG.md to reflect the promotion of 2.4.2
• 37f7fb9 Bump version to 2.4.2 by Chef Expeditor
• 871e66b Merge pull request #171 from chef/dev_deps
• c3251e5 Remove dev deps from the gemspec
• Additional commits viewable in compare view

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