chore(deps): update ruby docker tag to v3

[renovate-sh-app]

This PR contains the following updates:

Package	Type	Update	Change	Pending
ruby	final	major	2.7.2-alpine -> 3.4.7-alpine
ruby (source)		major	2.7.2 -> 3.4.7	3.4.8

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• If you want to rebase/retry this PR, check this box

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[renovate-sh-app]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Gemfile.lock

/opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/error.rb:105:in '<class:Thor>': uninitialized constant DidYouMean::SPELL_CHECKERS (NameError)

    DidYouMean::SPELL_CHECKERS.merge!(
              ^^^^^^^^^^^^^^^^
Did you mean?  DidYouMean::SpellChecker
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/error.rb:1:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:3:in 'Kernel#require_relative'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:3:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:2:in 'Kernel#require_relative'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:2:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendored_thor.rb:8:in 'Kernel#require_relative'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/vendored_thor.rb:8:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:3:in 'Kernel#require_relative'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:3:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/exe/bundle:29:in 'Kernel#require_relative'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/exe/bundle:29:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/exe/bundler:4:in 'Kernel#load'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/gems/bundler-2.1.4/exe/bundler:4:in '<top (required)>'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/bin/bundler:25:in 'Kernel#load'
	from /opt/containerbase/tools/bundler/2.1.4/3.4.7/bin/bundler:25:in '<main>'