Bump ajv from 6.10.2 to 6.12.6 in /first-next-app#89

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dependabot/npm_and_yarn/first-next-app/ajv-6.12.6grotesq/Codelab-Next-JS-2nd:dependabot/npm_and_yarn/first-next-app/ajv-6.12.6Copy head branch name to clipboard