Bump github.com/googleapis/gnostic from 0.4.1 to 0.5.4

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Bumps github.com/googleapis/gnostic from 0.4.1 to 0.5.4.

Release notes

Sourced from github.com/googleapis/gnostic's releases.

apps/protoc-gen-openapi and JSON marshaling improvements

This adds a gnostic-based protoc plugin that generates OpenAPI for transcoded gRPC APIs. See AIP-127 for a description of transcoding.

It also includes JSON marshaling improvements and tests from @bvwells.

Vocabulary Analysis, Error messages include line numbers

This update includes API vocabulary analysis features developed during the Summer of 2020 and improvements to error reporting that include line/column numbers for errors and more concise reporting of unmatched schemas. A few corner-case crashes were also fixed.

Fix problem reading Google Discovery Documents

This fixes a minor error that caused Google Discovery Documents to fail to load after the yaml.v3 update.

Update gnostic to yaml.v3: cleaner parsing, line number reporting

This release updates gnostic to use the yaml.v3 library and the yaml.Node class, which allows us to access line and column numbers of tokens during parsing.

This release upgrades the dependency only and does not include line number reporting.

This change will break clients that directly call auto-generated functions to create OpenAPIv2, OpenAPIv3, and Discovery structures. This is addressed in #195.

Metrics and Protocol Buffer dependency updates

This release provides a tagged version that includes the new metrics directory of protos for API metrics (currently computed using plugins) and updates embedded generated protobuf code to version 3.12.3 of protoc (which hopefully resolves #170).

Commits

• e21f238 Minor fixes to protoc-gen-openapi: remove extraneous log message, update open...
• 42aec32 protoc-gen-openapi (#221)
• 7fb1841 Support JSON marshalling of yaml sequence and scalar nodes (#220)
• 52a6193 Add line numbers to error msgs + improve errors for schema mismatches (#219)
• 349b567 ToRawInfo functions return null-valued nodes instead of nil (#218)
• 48b4738 Fix checking of error from jsonwriter.Marshal (#216)
• 8e72155 chore: add CODEOWNERS and repo config (#215)
• f6a8fec fix crash in discovery vocabulary computation (#214)
• dea0258 vocabulary generation for discovery docs (#208)
• b262eed update generated protos (#211)
• Additional commits viewable in compare view

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Dependabot tried to update this pull request, but something went wrong. The most likely cause is #140, which may be blocking Dependabot from updating your dependency files.

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