(cherry picked from commit 10ca9797)

Issue #3207111 by guilhermevp, swatichouhan012, joachim: Improve ScaffoldFilePath::__construct() documentation

Issue #3217322 by effulgentsia, xjm, Gábor Hojtsy: Update dependencies except PHPUnit to latest releases as of June 3, 2021

Issue #3213295 by effulgentsia, tedbow, longwave, Spokje, xjm, catch: Update Symfony 5 components to 5.3-rc1

Issue #3211805 by xjm, Kristen Pol, longwave: Update composer/composer dev dependency in metapackages to 2.0.13

Issue #3209459 by longwave, catch, andypost: Switch to friends of behat MinkBrowserKitDriver for PHP 8 and Symfony 5 compatibility

Issue #3108262 by Mile23, andypost, Spokje, Pooja Ganjage, piggito, Chi, AdamPS, greg.1.anderson: Support directories other than vendor in the Hardening Plugin

SA-CORE-2021-001 by larowlan, stephenacrossri, siliconmeadow, mcdruid, xjm, vijaycs85, mlhess, greggles

Issue #3096781 by longwave, xjm, catch, Eric_A, mikelutz: symfony/mime and symfony/var-dumper versions are on 5.1.7 (not an LTS) and therefore have gaps in security coverage relative to Drupal minors

Issue #3180207 by andypost, alexpott, Gábor Hojtsy, Mixologic, xjm: Update laminas-diactoros, laminas-escaper and laminas-feed for PHP 8 compatibility

Issue #3176655 by alexpott, jungle, longwave, ayushmishra206, Gábor Hojtsy, andypost: Deprecate GoutteDriver use in core and use Behat\Mink\Driver\BrowserKitDriver directly instead

Issue #3128631 by andypost, longwave, hussainweb, ayushmishra206, greg.1.anderson, xjm, catch, Mixologic, jungle, Gábor Hojtsy: Update dependencies composer/composer ^2 and composer/semver to ^3