Bump oauth from 0.5.4 to 0.5.6

[dependabot[bot]]

Bumps oauth from 0.5.4 to 0.5.6.

Release notes

Sourced from oauth's releases.

Version 0.5.5

Fixed security issue and cleaned up codebase.

Changelog

Sourced from oauth's changelog.

=== 0.5.6 2021-04-02

• Add metadata to Gemspec file
• Change default timeout to be the same as Net::HTTP default, 60 seconds instead of 30 seconds.
• Add support for PUT requests with Action Controller (#181)

=== 0.5.5 2020-01-19

• Allow redirect to different host but same path
• Add :allow_empty_params option (#155)
• Fixes ssl-noverify
• Various cleanups

Commits

• 56a189b Update HISTORY and bump version to v0.5.6.
• b5a68c0 Update HISTORY for PUT request feature.
• 243cf06 Merge pull request #181 from rvowles/put-me-pull-you
• 210dd68 Action Controller support for PUT requests
• 8aa97d0 Add OAuth::Signature::HMAC::SHA256 and associated tests
• cd4cab0 Travis - Updating readme link
• d4c7172 Adding explicit support for Ruby 2.5 and 2.6
• 720fcb7 Update HISTORY
• 4f3e717 Merge pull request #172 from ShockwaveNN/feature/gem-metadata
• 59be6bc Merge pull request #163 from smaeda-ks/smaeda-ks/increase-default-timeout
• Additional commits viewable in compare view

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