Bump github.com/pb33f/libopenapi from 0.21.8 to 0.28.1#277

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dependabot/go_modules/github.com/pb33f/libopenapi-0.28.1hashicorp/terraform-plugin-codegen-openapi:dependabot/go_modules/github.com/pb33f/libopenapi-0.28.1Copy head branch name to clipboard