This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	`1.4.3` -> `1.4.5`

phpstan/phpstan

Improvements 🔧

AnalyseApplication: Do not re-analyse stubs on every run (#730), #5826, thanks @dktapps!
Add shorthand for --generate-baseline (-b) (#980), thanks @Seldaek!
Support narrowing down array_filter() return type via string callable (#938), #6417, thanks @herndlm!
Loop optimization (#757), thanks @ging-dev!

Bugfixes 🐛

Fixed level 9 issues (https://github.com/phpstan/phpstan-src/commit/9f12f0fb4877b28cdad42644d927f579c42db22d), #6423, #6464, #6236, #6418, #6118, #6081, #6053, #6055, #5860, #6230
Cast PHPDoc array key type with array key casting rules (https://github.com/phpstan/phpstan-src/commit/5d17b847d9f60a0fba21d76d813a612c042fdb1c), #6117
Support closure bind with class-string (#706), #4949, thanks @mvorisek!
Fix NeverType::toBoolean() (https://github.com/phpstan/phpstan-src/commit/fe3a3419d5d8d2b276456971afc3e1804ab1c759), #6258
Fix DatePeriod constructor extension in subclasses (https://github.com/phpstan/phpstan-src/commit/0c82b3a2675f636db920a0a3e077a45a87200766), #6500
Forget remembered specific type when entering arrow function with same-named parameter (https://github.com/phpstan/phpstan-src/commit/af38f03b41d002bd01afa989921acd9f1114fc0e), #6473
Fix segfault (https://github.com/phpstan/phpstan-src/commit/d101764ff94a5838930a11fdac7ca9156ded7dc4), #6501

More precise array_chunk signature (#709), thanks @staabm!
Narrow the type for the preg_replace_callback() callable. (#758), thanks @johnbillion!
Update return types for hash functions (#822), thanks @jlherren!
Fix type for array_splice() argument $replacement (#901), #6288, thanks @spawnia!
stream_bucket_new returns an object (#968), thanks @mind-bending-forks!
More precise signatures for mb_* functions (#717), thanks @staabm!
Fix array_column() with null as $column_key (#970), thanks @jlherren!

Return type extension for array_column() (#948), thanks @jlherren!
Generic stub for DatePeriod + constructor dynamic return type extension (#958), #5953, thanks @Alban-io!
Resolve remaining predefined constants (#693), thanks @herndlm!

Support all array_filter() flags for narrowing down types (#941), thanks @herndlm!
Fix error The supplied range exceeds the maximum array size (#934), #6375, thanks @voku!
Nullable union template type bound is actually supported (https://github.com/phpstan/phpstan-src/commit/1d8b2eb269b1de8c449b372580852c2a6307c323), #4656, #5305, #3384
Fix reporting nonexistent offset in isset() (https://github.com/phpstan/phpstan-src/commit/f05e8eb8fe3d979afa9e627371f4df92ab28fadf), #4926
Fix interaction between template type and intersection type (#955), #6210, thanks @arnaud-lb!
Fix tests on 32-bit (#957), thanks @herndlm!
Fix resolving type of isset(), empty() and null coalesce operator (??) (https://github.com/phpstan/phpstan-src/commit/3b17acc5de4ac507d678f9ca9b2cd15937921ffb), #4592, #4903, #2420, #2718, #3126, #4586, #4887

Narrow down the return type of the Throwable::getTrace() method (#914), thanks @ste93cry!
Fix DOMDocument::saveXML signature (#956), thanks @kissifrot!

📅 Schedule: "every weekend" (UTC).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about this update again.

This MR has been generated by Renovate Bot.