Caching / unserializing ClassMetadata broke locking functionality

Fixes #2278

2.2.x merge up to 2.3.x

Maintenance work

Allow PrettyVersion 2

Reflect 2.2 release on the website

* Run tests on sharded clusters

* Skip secondary read preference test on sharded clusters

...

* Deprecate mapping relations with targetDocument and discriminatorMap

* Fix invalid mapping ...

Bump doctrine/coding-standard follow up

It looks like the test was checking different property and db-field names. It's tested in other ...

Update doctrine/coding-standard

Run psalm with php 8

Add support for PHP 8.0 types in custom collection

add sort param to findOneBy with test

Provide initial compatibility with PHP 8

2.1.x -> master merge-up

Handle void return type in custom collection's methods

* 2.1.x:
Added missing check for order of compound keys

Added missing check for order of compound keys

Signed-off-by: Christoph Grabenstein <[email protected]>

Add psalm

Ref: https://psalm.dev/docs/running_psalm/issues/ParamNameMismatch/

* Move build files to generic directory

* Move performance tests to GitHub actions

* Move ...

* Use symfony/deprecation-contracts to announce deprecations in code

* Update lib/Doctrine/OD...

* 2.1.x:
Fix trigger_error level when deprecated type is used
Remove always true condition
...

Fix sandbox using old Doctrine\MongoDB\Connection class

Fix trigger_error level when deprecated type is used

`trigger_error` should emit a E_USER_DEPRECATED error instead of the default.

Update PHPStan

The check removed was impossible to be true since the argument has a type
declaration.

At the beginning of the method, "$this->queuedInserts" is checked
if it is empty, if it is not, ...

The ReferencePrimer::parseDotSyntaxForPrimer had a case which there was
no return and the functi...

The current return types did not comply with PersistentCollectionInterface.

The phpdoc did not match the current return and arguments types.

An exception is thrown in the line above.

Remove phpstan error formatter

The phpstan version used (0.10.x) does not work with the error
formatter, this just removes it ...

Document class-level Index annotations and deprecate other ways of specifying them

Assert array value is an instance of the key

Migrate PHPStan job to GA

Remove unused dependency

Fix links to mongodb manual

In order to standardize jobs across repositories

It does not seem to be used in the code, nor in the commit that
introduced it, b05a8255124fe7c6a...

Move phpcs to Github actions

Using https://github.com/doctrine/.github/blob/a30adfd2efc185595e43d9338e5617048f5e99a9/workflow...

Document requirement on PHP extension

The extension is required in composer.json, and its installation should
be mentioned because it ...

Remove safe index option from documentation

Introduce aggregation API to replicate query API

Merge release 2.1.2 into master

Stop type conversion for certain keys in query

Allow doctrine/persistence 2.x

Add missing parent::configure() call