gomod: bump github.com/stretchr/testify from 1.10.0 to 1.11.1#16

sravotto merged 1 commit intomaincockroachdb/field-eng-powertools:mainfrom

dependabot/go_modules/github.com/stretchr/testify-1.11.1cockroachdb/field-eng-powertools:dependabot/go_modules/github.com/stretchr/testify-1.11.1Copy head branch name to clipboard