Bump github.com/stretchr/testify from 1.7.5 to 1.8.0 in /ruledocsgen#407

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dependabot/go_modules/ruledocsgen/github.com/stretchr/testify-1.8.0arduino/arduino-lint:dependabot/go_modules/ruledocsgen/github.com/stretchr/testify-1.8.0Copy head branch name to clipboard