Update dependency dotenv-rails to '~> 2.8.0'

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dotenv-rails	'~> 2.2.1' -> '~> 2.8.0'

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Release Notes

bkeepers/dotenv (dotenv-rails)

v2.8.1

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• Restore support for EOL'd Ruby versions (2.5, 2.6) (#​458)[https://github.com/bkeepers/dotenv/pull/458](https://togithub.com/bkeepers/dotenv/pull/458)8]

v2.8.0

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• Drop support for Ruby 2.4, 2.5, and 2.6, which are EOL
• Fix template (-t) handling of export declarations #​416
• Unescape escaped characters when value is not quoted #​421
• Add overload option for the CLI ($ dotenv --overload -f .env.local) #​445

v2.7.6

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• Add a Dotenv::Railtie.overload method #​403
• Support for more Rails versions #​404
• Fix template handling of blank lines and comments #​413
• Fix for dotenv-rails Rake task environment allocation#​405

v2.7.5

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• Fix for \s after separator #​399
• README formatting updates #​398

v2.7.4

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• Fix NoMethodError in non-Rails environments #​394

v2.7.3

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• Fix for parallel spec tasks initializing in development #​384
• Test against updated rubies #​383, #​387
• Conditional branch cleanup for clarity of intent #​385
• Fix for load order issue with Railties #​391
• NEW: dotenv-templates using the -t flag #​377, #​393

v2.7.2

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• Cleaned up CLI while resolving regressions in 2.7.1 #​382

v2.7.1

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• Fixes regression with CLI experience (#​376)

v2.7.0

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• Add Dotenv.parse method (#​362)
• Add Support for Rails 6.0 (#​370)
• Improve dotenv CLI output (#​374)
• Add GitHub Actions automation (#​369)
• Test against Ruby 2.6 (#​372)

v2.6.0

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• Added require keys method to raise if not defined (#​354)
• Use latest Ruby version on CI (#​356, #​363)
• Clarify variable hierarchy in README.md (#​358)
• Use SVG Travis CI badge (#​360)

v2.5.0

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This release re-introduces multiline values with proper protections against the regressions that were reported in 2.3.0, and corrects a breaking change in the API from 2.4 for Dotenv::Environment.

v2.4.0

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This release reverts Parse multiline values (#​318, #​329) due to a parsing regression that was discovered after the last release (#​336, #​339, #​341).

Full Changelog

v2.3.0

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• Skip over lines that don't set an envvars (#​291)
• Document the -f flag (#​310)
• Existing variable takes precendence when performing substitution (#​313)
• Parse multiline values (#​318, #​329)
• Fix load to respect existing environment variables over env file when doing variable interpolation (#​323)
• Add gem version badge to README.md (#​328)
• Rescue from bundler require error (#​330)

Full Changelog

v2.2.2

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• Support Rails 5.2 (#​325)

Full Changelog

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