TASK: Add changelog for 6.0.25 [skip ci]

See https://jenkins.neos.io/job/flow-release/326/

Documentation/TheDefinitiveGuide/PartV/ChangeLogs/6025.rst

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+`6.0.25 (2021-08-25) <https://github.com/neos/flow-development-collection/releases/tag/6.0.25>`_
+================================================================================================
+
+Overview of merged pull requests
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+`BUGFIX: Bring back RenderingContext view argument, pin Fluid version <https://github.com/neos/flow-development-collection/pull/2546>`_
+---------------------------------------------------------------------------------------------------------------------------------------
+
+With `typo3fluid/fluid` 2.7.0 the `$view` constructor argument to
+`RenderingContext` is gone, but we support lower versions, thus things
+break.
+
+This brings back the argument in our code and pins Fluid to < 2.7.0
+for Flow below 7.2.0.
+
+See https://github.com/neos/flow-development-collection/issues/2541
+See https://github.com/TYPO3/Fluid/pull/548
+
+* Packages: ``FluidAdaptor``
+
+`TASK: Fix PhpUnit deprecation warnings <https://github.com/neos/flow-development-collection/pull/2542>`_
+---------------------------------------------------------------------------------------------------------
+
+The new `SessionlessTestToken` class is needed to replace the mocking of two interfaces (`TokenInterface` and `SessionlessTokeInterface`) in one call.
+
+* Packages: ``Flow``
+
+`TASK: Fix Psalm issues <https://github.com/neos/flow-development-collection/pull/2541>`_
+-----------------------------------------------------------------------------------------
+
+null
+
+* Packages: ``Flow`` ``FluidAdaptor``
+
+`TASK: Require fixed composer/composer packages <https://github.com/neos/flow-development-collection/pull/2540>`_
+-----------------------------------------------------------------------------------------------------------------
+
+This makes sure the required `composer/composer` dependency is not
+affected by CVE-2021-29472
+
+https://github.com/composer/composer/security/advisories/GHSA-h5h8-pc6h-jvvx
+
+* Packages: ``Flow``
+
+`BUGFIX: Return first existing annotation, not "current" one <https://github.com/neos/flow-development-collection/pull/2536>`_
+------------------------------------------------------------------------------------------------------------------------------
+
+In some cases this error comes up:
+
+    Trying to get property 'lazy' of non-object in ConfigurationBuilder
+
+The reason for the error is the fact that the `current()` call does not return the existing annotation instance. The array pointer seems to point somewhere else. Using `reset()` instead of current solves the issue.
+
+Using `reset()` does not really alter the (promised) behaviour of the method, so it is used instead.
+
+* Fixes: `#2532 <https://github.com/neos/flow-development-collection/issues/2532>`_
+* Packages: ``Flow``
+
+`Detailed log <https://github.com/neos/flow-development-collection/compare/6.0.24...6.0.25>`_
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~