Update vimeo/psalm requirement from ^3.12 to ^4.1

Updates the requirements on vimeo/psalm to permit the latest version.

Release notes

Support PHP 8 Attributes

Features

This adds basic support for PHP 8 attributes (#4367). Psalm checks attribute arguments, and also emits a UndefinedAttributeClass issue if the attribute cannot be found.

This version of Psalm can also be installed when using PHP 8.

Bugfixes

class getIterator calls are used inside loops (#3625)

allow Psalm to understand more assignments when evaluating implicit else (#4374)

promoted properties are always used in the constructor (#4386)

arraylike-object should be Countable too (#4398)

signature types (return & param types) weren't being invalidated when their use changed, now they are

allow multiple @psalm-assert-if-true on a single variable (#4414)

uses better path normalisation when resolveFromConfig="true" so that existing baselines need only small adjustments (#4410)

@BenMorel improved some ext-ds stubs (#4415)

allow implicit null->offsetGet() inside an isset call (#4397)

fix try analysis on assigned vars when they're typed to mixed (#4418)

any class with a __toString method in PHP 8 is assumed to implement Stringable (#4429)

fix crash when encountering no-argument str_replace, DOMNode::appendChild, crypt, get_class_methods, iterator_to_array, get_object_vars calls

prevent unused variable false-positive when (bool) or (float) casts are used (#4435)

@enumag improved ext-ds stubs with immutable data structures (#4425)

Commits

8929bde Add psalm-mutation-free to ext-ds (#4425)
4bb675e Pass CodeLocation to FunctionParamsProviderInterface interface (#4444)
82f35c1 Ensure Stringable is always available to tests that need it
438bcc6 Use softer return
2e95d1f Use more robust check for Stringable stub
5c784dc Fix #4435 - ensure casts are always flow-sensitive
fce5c26 Remove subpar test
dab1aac Protect more calls
f43dba8 Use more accurate comparison for non-empty-lists
083102a Fix count call
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loophp / unaltered-psr-http-message-bridge-bundle

Update vimeo/psalm requirement from ^3.12 to ^4.1 #1

Support PHP 8 Attributes

Features

Bugfixes