build: update puppeteer to version 7.0.0

Author: alan-agius4

tests/legacy-cli/e2e/utils/project.ts

@@ -266,7 +266,7 @@ export function useCIChrome(projectDir: string) {
       // Use matching versions of Chromium (via puppeteer) and ChromeDriver.
       // https://github.com/GoogleChrome/puppeteer/releases
       // http://chromedriver.chromium.org/downloads
-      json['devDependencies']['puppeteer'] = '6.0.0'; // Chromium 89.0.4389.0 (r843427)
+      json['devDependencies']['puppeteer'] = '7.0.0'; // Chromium 89.0.4389.0 (r843427)
       json['devDependencies']['karma-chrome-launcher'] = '~3.1.0';
     }))
     // Use Pupeteer in protractor if a config is found on the project.