Update phpstan/phpstan requirement from 1.10.15 to 1.10.20

[dependabot]

Updates the requirements on phpstan/phpstan to permit the latest version.

Release notes

Sourced from phpstan/phpstan's releases.

1.10.20

Improvements 🔧

• PHPStan Pro: Change Cloudflare DNS for to family version (#2467), thanks @​spaze!
• Add non-zero-int type (#2449), thanks @​PrinsFrank!
• Implement gettype() return type extension (#2437), thanks @​staabm!

Bugfixes 🐛

• Allow to remember constant and impure expressions in match condition (phpstan/phpstan-src@0cdda0b), #4451, #6064, #9457
• Fix gettype in match condition (phpstan/phpstan-src@e4ef00c, phpstan/phpstan-src@caa0a5b), #8614
• Fix get_class in match condition (phpstan/phpstan-src@106526d), #1885, #8536, #8092
• Understand get_class compared with static::class (phpstan/phpstan-src@590eb03), #1885
• Understand gettype when there's a union of strings on the other side (phpstan/phpstan-src@36e412f), #6294, #2580
• Treat ConstantArrayType as covariant in its keys and values (#2464), #9161, thanks @​jiripudil!
• Treat ArrayType as covariant in its keys and values (#2465), thanks @​jiripudil!
• Make NonEmptyArrayType::toArray() return $this (#2349), #9208, thanks @​zonuexe!
• Retain list type via array_push() and array_unshift() (#2451), #8449, thanks @​herndlm!
• For @var above throw and return, change the type of expr only for the stmt callback (phpstan/phpstan-src@b551095), #9459

Internals 🔍

• Remove redundant conditions from RemoveUnusedCodeByPhpVersionIdVisitor. (#2459), thanks @​mad-briller!
• Return early in CachingVistor to avoid always-false instanceof checks. (#2460), thanks @​mad-briller!
• Introduce CombinationsHelper (phpstan/phpstan-src@175307e)
• Type::getFiniteTypes() (phpstan/phpstan-src@7912caf, phpstan/phpstan-src@fa9a951, phpstan/phpstan-src@b5cf52b)

Commits

• c4c8adb PHPStan 1.10.20
• 21b5365 Updated PHPStan to commit 21b5365d0c937a6717828398a23427dbb3ec7914
• caa0a5b Updated PHPStan to commit caa0a5b5247b2ff58c56b543aa3cb286b00ffde7
• aa66b84 Updated PHPStan to commit aa66b84ee01cf471714bd2bc9052fb2d3e8481ac
• 106526d Updated PHPStan to commit 106526db8bd64880af81faa61d9f970e793e3c38
• e4ef00c Updated PHPStan to commit e4ef00c0573daea5e83199d182e35ea988a7d95b
• 0cdda0b Updated PHPStan to commit 0cdda0b210a623ee299323da80771c2c84c602f9
• b5cf52b Updated PHPStan to commit b5cf52b916ad4d155f1809356c96cbe924f51dbe
• 65ff783 Updated PHPStan to commit 65ff783d756bac106ff5d8d478a7837d5e22349f
• 3179c15 Updated PHPStan to commit 3179c15a18d509e252e41354b21b5cbe2c5a1b9d
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Merging #254 (51b583a) into master (d61b6fb) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #254   +/-   ##
=========================================
  Coverage     92.39%   92.39%           
  Complexity     1648     1648           
=========================================
  Files            32       32           
  Lines          4011     4011           
=========================================
  Hits           3706     3706           
  Misses          305      305           

[dependabot]

Superseded by #255.