(cherry picked from commit 9028e269)

Issue #3480029 by kim.pepper, mstrelan: Add return typehint to \Drupal\Core\DependencyInjection\DeprecatedServicePropertyTrait::__get()

(cherry picked from commit 63f216f3)

Issue #3483057 by mstrelan, bbrala, smustgrave: Add void return type to all hook_install and hook_uninstall implementations

Issue #3474978 by mondrake, quietone: Method getMockForAbstractClass() is deprecated - replace in class KeyValueEntityStorageTest

Issue #3346707 by tedbow, phenaproxima, alexpott, catch, wim leers, dww, effulgentsia, gábor hojtsy, drumm, grasmash, chrisfromredfin, fizcs3, cola, capysara, diegors, daisyleroy, abhishek_gupta1, bnjmnm, quietone, lauriii, poker10, xjm, anish.a, ajits, traviscarden, heddn, Idoni, srishtiiee, siramsay, shabbir, rocketeerbkw, Schnitzel, s_leu, Theresa.Grannum, yash.rode, wiifm, wendyZ, tim.plunkett, Webbeh, rkoller, Ranjit1032002, kunal.sachdev, kjankowski, jayesh.d, immaculatexavier, Ishani Patel, leksat, lhridley, percoction, rahul_, p.ayekumi, omkar.podey, narendra.rajwar27, narendrar: Add Alpha level Experimental Package Manager module

Issue #3456601 by mstrelan, xjm, smustgrave, longwave: Add void return typehints to test helper methods

Issue #3482283 by nicxvan, alexpott, ghost of drupal past, elc, larowlan, fjgarlin, claudiu.cristea, chi: Symlinking a module breaks HookCollectorPass

Issue #3442009 by nicxvan, joachim, quietone, bhanu951, godotislate, longwave, catch, acbramley, solideogloria, mstrelan, fabianx, sun, donquixote, dawehner, benjy, claudiu.cristea, dpi: OOP hooks using attributes and event dispatcher

Issue #3462829 by pooja_sharma, plopesc, catch, smustgrave, penyaskito, kumudb, skaught, m4olivei: Store the file path instead of ID for the navigation logo

Issue #3481238 follow-up by phenaproxima, a.dmitriiev, b_sharpe, alexpott: Add a config action to clone a config entity

Issue #3480919 by mondrake: Method getMockForAbstractClass()  is deprecated - replace in Drupal\Tests\views\Unit\Plugin\argument_validator\EntityTest

Issue #3475916 by spokje, longwave: Bump phpstan/phpstan to 1.12.4 to make daily "updated deps" QA run pass again

Issue #3461318 by mstrelan, smustgrave, bbrala, catch, kingdutch, longwave, quietone, spokje, xjm, larowlan: Enforce return types in all new methods and functions

Issue #3474731 by mondrake: Method getMockForAbstractClass() is deprecated - replace in class EntityLinkTest

Issue #3475024 by mondrake: Method getMockForAbstractClass() is deprecated - replace in class ViewsLocalTaskTest

Issue #3387960 by quietone, alexpott, daffie, mondrake, amateescu: Fix return type in \Drupal\Core\Database\Query\Merge::__toString

Issue #3471410 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class HelpTopicTwigTest

Issue #3472115 by mondrake, prashant.c: Method getMockForAbstractClass() is deprecated in PHPUnit 10 - replace in class ConfigEntityStorageTest

Issue #3471456 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class class MigrateExecutableTest

Issue #3471425 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class LockBackendAbstractTest

Issue #3467344 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class InstallerRedirectTraitTest

Issue #3467098 by Spokje: Bump phpstan/phpstan and mglaman/phpstan-drupal to latest to make daily "updated deps" QA run pass again

Issue #3464213 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in Plugin component tests

Issue #3464271 by mondrake, smustgrave: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class ControllerBaseTest

Issue #3347343 by vasike, scott_euser, acbramley, fjgarlin, smustgrave, recrit, catch, BramDriesen, heddn, DamienMcKenna, Berdir, Lendude, Graber, Kasey_MK, akalam, klaasvw, jhedstrom, joachim, johnwebdev, gbirch, jksloan2974, jsst, dww, avpaderno, C.E.A, andypost, ankithashetty, caspervoogt, anmolgoyal74, ckaotik, gambry, DiDebru, dawehner, das-peter, rlmumford, Krzysztof Domański, _Archy_, yogeshmpawar, xjm, muriqui, mr.york, mparker17, Lukas von Blarer, mdolnik, Murz, nuez, Taran2L, willpepsi, seanB, RoSk0, oriol_e9g, Pancho: Add Views EntityReference filter to support better UX for exposed filters

Issue #3463954 by Spokje, xjm: Bump phpstan/phpstan to latest to make daily "updated deps" QA run pass again

Issue #3459750 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class BuildTestTest

Issue #3459754 by mondrake: Method getMockForAbstractClass() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10 - replace in class NormalizerBaseTest

Issue #3344877 by alexpott, silverham: [regression] FTPExtension class can no longer connect as of 9.5.x

Issue #3432595 by longwave, kim.pepper, alexpott: Use a tagged service iterator for uninstall validators instead of individual lazy proxies

Issue #3417066 by mondrake, longwave, larowlan, alexpott, catch: Upgrade PHPUnit to 10, drop Symfony PHPUnit-bridge dependency

Issue #3427173 by mondrake, longwave, alexpott, catch: Replace calls to :::expectWarning*() in Drupal\Tests\Component\PhpStorage\FileStorageTest

Issue #3432882 by kim.pepper, Satane, andypost, alexpott, longwave: Remove deprecated code in File module

Issue #3261653 by Spokje, catch, larowlan, quietone, kim.pepper, smustgrave, andypost, lauriii: Remove Forum module