Update vimeo/psalm requirement from 4.20.0 to 4.21.0

[dependabot[bot]]

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

Release notes

Sourced from vimeo/psalm's releases.

4.21.0

What's Changed

Deprecations

• deprecate totallyTyped by @​orklah in vimeo/psalm#7650

Features

• Resolve DIR / FILE when const/variable is used for include by @​tomasz-kusy in vimeo/psalm#7585
• add ReflectionIntersectionType stub by @​orklah in vimeo/psalm#7621
• Allow config to define thread count (4.x) by @​M1ke in vimeo/psalm#7633
• add phpredis stubs by @​kkmuffme in vimeo/psalm#7614
• Add configuration option to disable @​var parsing everywhere except for properties. by @​danog in vimeo/psalm#7434

Fixes

• Strip colours from success message by @​weirdan in vimeo/psalm#7620
• Honour global function suppressions for UndefinedFunction by @​weirdan in vimeo/psalm#7657
• Update return type for mysqli::connect_error by @​morozov in vimeo/psalm#7660
• Correct name of ErrorException::__construct $line param by @​chloekek in vimeo/psalm#7659
• Fix false positive for unused variable in try (fixes #7613). by @​AndrolGenhald in vimeo/psalm#7664
• Throw exception if file_put_contents failed by @​dmitryuk in vimeo/psalm#7690

New Contributors

• @​tomasz-kusy made their first contribution in vimeo/psalm#7585
• @​kkmuffme made their first contribution in vimeo/psalm#7614
• @​chloekek made their first contribution in vimeo/psalm#7659
• @​dmitryuk made their first contribution in vimeo/psalm#7690

Full Changelog: https://github.com/vimeo/psalm/compare/4.20.0...4.21.0

Commits

• d8bec4c Merge pull request #7690 from dmitryuk/fix-enable-error
• 8e1e0d1 style-ci
• dc87641 Throw exception if file_put_contents failed
• f72f2f6 Merge pull request #7434 from zoonru/disable_var_parsing
• eb3df40 Add option to disable @​var parsing everywhere except for properties.
• 06ce3ad Merge pull request #7664 from AndrolGenhald/bugfix/7613-unused-variable-in-try
• fd0ecf2 Rename variable to be consistent with existing convention.
• 32c3894 Fix issue with nested try block and add more tests.
• 7b1599d Fix false positive for unused variable in try (fixes #7613).
• 7f304be Merge pull request #7659 from chloekek/ErrorException-__construct-line-parame...
• Additional commits viewable in compare view

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