Bump credo from 1.1.5 to 1.2.1

[dependabot-preview[bot]]

Bumps credo from 1.1.5 to 1.2.1.

Changelog

Sourced from credo's changelog.

1.2.1

• Actually enable the new check (Credo.Check.Warning.MixEnv)

1.2.0

• Commands can now have their own pipelines, so that plugins can extend them.
• Add pipelines to SuggestCommand and ListCommand
• Credo.Plugin.append_task/4 and Credo.Plugin.prepend_task/4 let you append/prepend tasks to Command's pipelines.
• Validate options given to use Credo.Check
• Fix TrailingWhiteSpace check on Windows
• Fix MultiAlias to work with submodule expansion
• Fix UnusedVariableNames bug
• Fix Heredocs.replace_with_spaces/5 bug
• Fix InterpolationHelper.replace_interpolations/2 bug
• Fix crash in AliasAs check when MODULE is aliased
• Fix speed pitfall in Scope.name/2
• New config option: parse_timeout
• Improved default settings for umbrella apps

New checks

• Credo.Check.Warning.MixEnv

Commits

• e832b5f Bump version to 1.2.1
• cb02a17 Update CHANGELOG
• 62e442c Actually enable new check
• 816917c Set Elixir to 1.10.0
• b862f6a Fix nil error in ConvertCliOptionsToConfig
• 14627ca Add Credo.Backports.Code.ensure_compiled?
• 7db2983 Merge pull request #738 from pdgonzalez872/pg-negated-is-nil-01
• bd43c7b Implement NegatedIsNil check.
• 0128ab0 Update GitHub actions
• 37364cf Update GitHub actions
• Additional commits viewable in compare view

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