(cherry picked from commit 5062db5e)

Issue #3359065 by Spokje: Fix PHPStan L1 errors "Fix PHPStan L1 errors "Array has 2 duplicate keys with value 'Foo.SOME_KEY'..."

(cherry picked from commit 4ab1f4b0)

(cherry picked from commit 51021373)

Issue #3357646 by Spokje: Fix 2 PHPStan L1 errors "Relying on entity queries to check access by default is deprecated..." in the Layout Builder module

Issue #3357114 by Spokje: Update mglaman/phpstan-drupal and help make daily "updated deps" QA jobs pass

Issue #3330981 by Spokje, smustgrave, mallezie, catch, xjm: Fix PHPStan L1 error "Relying on entity queries to check access by default is deprecated..."

Issue #3007424 by acbramley, Spokje, mbovan, narendra.rajwar27, AaronBauman, ravi.shankar, aleevas, geek-merlin, jibran, YurkinPark, daffie, larowlan, Berdir, alexpott, marcelovani, catch, Lendude, mstrelan, tar_inet, Honza Pobořil, seanB, andrewbelcher, danflanagan8, susgo, sylus, sjpeters79, yogeshmpawar, raman.b: Multiple usages of FieldPluginBase::getEntity do not check for NULL, leading to WSOD

Issue #857312 by bnjmnm, tim.plunkett, yched, swentel, nod_, nick_schuch, smustgrave: Add a "changes not applied until saved" warning when changing widget/formatter settings

Issue #3351095 by Spokje, daffie, longwave, xjm: Fix PHPStan L1 errors "@covers value foo references an invalid class or function."

Issue #3351236 by Spokje, mondrake, smustgrave: Fix PHPStan L1 errors "Missing call to parent::setUp()/tearDown() method."

Issue #3352932 by Spokje: Fix PHPStan L1 error "Class Foo\Bar\Baz referenced with incorrect case: Foo\bar\Baz."

Issue #3352944 by Spokje: Fix PHPStan L1 errors "#pre_render/#lazy_builder callback '\Foo\Bar' at key 'n' is not trusted."

Issue #3352938 by Spokje, smustgrave: Fix PHPStan L1 errors "Configuration entity must define a `config_export` key."

Revert "Issue #3007424 by acbramley, Spokje, mbovan, narendra.rajwar27, AaronBauman, ravi.shankar, aleevas, geek-merlin, jibran, YurkinPark, daffie, larowlan, alexpott, marcelovani, catch, Berdir, Lendude, mstrelan, tar_inet, andrewbelcher, seanB, Honza Pobořil, danflanagan8, susgo, yogeshmpawar, sylus, sjpeters79, raman.b: Multiple usages of FieldPluginBase::getEntity do not check for NULL, leading to WSOD"

This reverts commit 7ea52649.

Issue #3007424 by acbramley, Spokje, mbovan, narendra.rajwar27, AaronBauman, ravi.shankar, aleevas, geek-merlin, jibran, YurkinPark, daffie, larowlan, alexpott, marcelovani, catch, Berdir, Lendude, mstrelan, tar_inet, andrewbelcher, seanB, Honza Pobořil, danflanagan8, susgo, yogeshmpawar, sylus, sjpeters79, raman.b: Multiple usages of FieldPluginBase::getEntity do not check for NULL, leading to WSOD

Issue #3351073 by Spokje: Fix PHPStan L1 errors "Annotation "@covers::foo" is invalid, "@covers" should be followed by a space and a value."

Issue #3351218 by Spokje: Fix PHPStan L1 errors "@covers value \Foo\Bar::baz() references an invalid method."

Issue #3351079 by Spokje: Fix PHPStan L1 errors "You should use assertFoo() instead of assertSame(foo, $actual)."

Issue #3351060 by Spokje: Fix PHPStan L1 errors "You should use assertNull() instead of assertSame(null, $actual)."

Issue #3351067 by Spokje: Fix PHPStan L1 errors "Class already @covers \Foo\Bar so the method @covers is redundant."

Issue #3326239 by mondrake, Spokje, andypost, longwave, xjm, quietone: Add phpstan/phpstan-phpunit as a dev dependency

Issue #3245252 by andypost, ranjith_kumar_k_u, Spokje: Fix possibly undefined $finished in _batch_process()

Revert "Issue #3337513 by mondrake, gidarai, daffie, alexpott, catch: Fix batch process race conditions by making ‘bid (batch id)’ auto-increment"

This reverts commit 779785e2.

Issue #3337513 by mondrake, gidarai, daffie, alexpott, catch: Fix batch process race conditions by making ‘bid (batch id)’ auto-increment

Issue #3322743 by Spokje, mondrake: Fix PHPStan L2 errors "Parameter $foo of method Foo::bar() has invalid type Foo\Baz." and "Method Foo::bar() has invalid return type Foo\Baz. "

Issue #3335110 by Spokje, mondrake: Fix PHPStan L1 errors "#foo callback class 'Bar\Baz')' at key 'X' does not implement Drupal\Core\Security\TrustedCallbackInterface."

Issue #3264167 by Spokje, neclimdul, heykarthikwithu, longwave: Remove use of final Guzzle client class

Issue #3308920 by jungle, smustgrave, Lendude: Fix test performance of Drupal\Tests\user\FunctionalJavascript\UserPasswordResetTest

Issue #3323209 by Spokje, mondrake, smustgrave, alexpott, xjm: Deprecate calling Drupal\block\Plugin\migrate\process\BlockTheme::_construct() with the $migration argument

Issue #3336586 by Spokje: Fix failing "updated deps" test-runs by upping mglaman/phpstan-drupal to latest