Update vimeo/psalm requirement from ^4.18 to ^5.4

[dependabot]

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

Release notes

Sourced from vimeo/psalm's releases.

5.4.0

What's Changed

Features

• ReflectionClass stub updates by @​jack-worman in vimeo/psalm#8933

Fixes

• Fix getParentClass stub by @​VincentLanglet in vimeo/psalm#8931
• Allow conditions inside loops to preserve or narrow int range by @​theodorejb in vimeo/psalm#8934
• More array fixes by @​danog in vimeo/psalm#8943

Internal changes

• Trailing commas by @​jack-worman in vimeo/psalm#8927

Full Changelog: vimeo/psalm@5.3.0...5.4.0

Commits

• 62db5d4 Merge pull request #8943 from Nicelocal/fix_8940
• 825f46f Fix test
• 8013b0e Replace some LNumber usages
• d71e7af Update BC docs for future deprecation
• 750e2da Cleanup
• dc5a457 Fix
• 8b4d5f8 Fix
• 194f710 Add failing test
• 4fb5a61 Fix tests
• ab2692f Update
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Base: 91.34% // Head: 82.26% // Decreases project coverage by -9.07% ⚠️

Coverage data is based on head (5d96069) compared to base (8e7ed71).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #424      +/-   ##
============================================
- Coverage     91.34%   82.26%   -9.08%     
  Complexity     1243     1243              
============================================
  Files            76       76              
  Lines          3118     3118              
============================================
- Hits           2848     2565     -283     
- Misses          270      553     +283     

Impacted Files	Coverage Δ
src/Constraint/DefaultValueConstraint.php	0.00% <0.00%> (-100.00%)	⬇️
src/Connection/Dsn.php	0.00% <0.00%> (-92.00%)	⬇️
...QueryBuilder/Condition/BetweenColumnsCondition.php	18.60% <0.00%> (-81.40%)	⬇️
src/Expression/ArrayExpression.php	36.36% <0.00%> (-63.64%)	⬇️
src/Expression/JsonExpression.php	42.85% <0.00%> (-57.15%)	⬇️
src/Exception/Exception.php	50.00% <0.00%> (-50.00%)	⬇️
src/Driver/PDO/PDODriver.php	60.00% <0.00%> (-40.00%)	⬇️
src/QueryBuilder/Condition/HashCondition.php	66.66% <0.00%> (-33.34%)	⬇️
src/Constraint/ForeignKeyConstraint.php	68.00% <0.00%> (-32.00%)	⬇️
src/Schema/TableSchema.php	69.23% <0.00%> (-30.77%)	⬇️
... and 20 more

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[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.