Build(deps-dev): Bump vimeo/psalm from 3.9.3 to 3.9.4

[dependabot-preview]

Bumps vimeo/psalm from 3.9.3 to 3.9.4.

Release notes

Sourced from vimeo/psalm's releases.

Bugfixes

Change in behaviour

• accessing a not-previously-specified key of an object-like array is now a bug (#2787)
• any args passed to an unknown method must now be defined beforehand (#2909)

Other bugfixes

• @Daeroni improved some builtin GD functions (#2851)
• @JaredCDN prevented a TypeError when generating xml reports (#2856)
• Psalter: fix MissingParamType replacement when for parameters passed by-reference (#2857)
• Prevent DuplicateArrayKey warning when unpacking multiple arrays without known key types (#2852)
• Allow comparison between different templated object-like arrays (#2849)
• Allow casting templated types (#2848)
• Allow class constants to contain array offset references for other class constants (#2844)
• Forbid passing in mutatable class to a mutation-free context (#2805)
• Allow "5.0" where numeric is expected (#2827)
• Only warn about deprecated classes where they're used explicitly (#2721)
• Warn when an immutable class depends on a mutable parent (#2242)
• Detect error when asserting on result of function call (#1684)
• Break apart a scalar type into constituent parts where necessary (#1311)
• Treat echo as impure (#2867)
• Prevent use of impure __toString (#2866)
• Prevent keyed arrays from being interpreted as callable (#2871)
• @ArSn fixed setting memory_limit artificially low when running Psalter (#2873)
• Allow @method as(string $s) (#2881)
• Handle templated intersections more equally (#2875)
• @pilif added a config skipChecksOnUnresolvableIncludes that you can disable to make Psalm more strict when it encounters includes for unknown files (#2817)
• @jdreesen improved the return type of range(...)
• Keep track of which argument a given template param was inferred from, to avoid overwriting the inference (#2900)
• Don't care about method case in the PhpStorm meta scanner (#2890)
• Rename stubs to prevent issues in PHPStorm (#2879)
• Trim carriage returns where necessary (#2859)
• Prevent ternaries from being considered a valid reference (#2910)
• @leightonthomas supported trailing commas in type aliases (#1799)
• Prevent contradiction with templated object equality (#2918)
• Don't emit MissingPropertyType where the property is defined in a third-party lib (#2388)

Commits

• 352bd3f Remove redundant condition
• 766effb Improve accuracy of diff generation
• f3d7ed6 Remove var_dump
• 7f9e6b8 Increase processor consumption
• dc74f2b Add specific cast
• 10b807b Fix reference generation from methods in --diff mode
• a2a5071 Fix #2923 - remove hack to fix a template issue
• 51bfc7c Only emit mixed issues for MissingClassPropertyType
• 7ea06c7 Only emit PossiblyUndefinedVariable issue on variables
• 75a3412 Downgrade error when using unknown variable in mixed method
• Additional commits viewable in compare view

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