/** Filter out non-major version updates.
 @​param {string} packageName The name of the dependency.
 @​param {string} currentVersion Current version declaration (may be range).
 @​param {SemVer[]} currentVersionSemver Current version declaration in semantic versioning format (may be range).
 @​param {string} upgradedVersion Upgraded version.
 @​param {SemVer} upgradedVersionSemver Upgraded version in semantic versioning format.
 @​returns {boolean} Return true if the upgrade should be kept, otherwise it will be ignored.
*/
filterResults: (packageName, {currentVersion, currentVersionSemver, upgradedVersion, upgradedVersionSemver}) => {
 const currentMajorVersion = currentVersionSemver?.[0]?.major
 const upgradedMajorVersion = upgradedVersionSemver?.major
 if (currentMajorVersion && upgradedMajorVersion) {
 return currentMajorVersion < upgradedMajorVersion
 }
 return true
}