Bump semver and gatsby-legacy-polyfills#61

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dependabot/npm_and_yarn/semver-and-semver-and-semver-and-semver-and-semver-and-gatsby-legacy-polyfills-7.5.4rtre84/netlify-stackbit-multi-site-example:dependabot/npm_and_yarn/semver-and-semver-and-semver-and-semver-and-semver-and-gatsby-legacy-polyfills-7.5.4Copy head branch name to clipboard