chore(deps-dev): update rector/rector requirement from 1.1.0 to 1.2.1

[dependabot]

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

Release notes

Sourced from rector/rector's releases.

Released Rector 1.2.1

New Features 🥳

• [type-declarations] Add ReturnNullableTypeRector (#6110)
• [type-declarations] Add StringsReturnTypeFromStrictScalarReturnsRector to complete the string returns (#6111)
• [PhpDoc] Add warning about missing PhpDocInfo name form tag value node (#6134)
• [TypeDeclaration] Introducing ClosureReturnTypeRector to handle closure types separately (#6106)
• [TypeDeclaration] Skip has named arg on AddMethodCallBasedStrictParamTypeRector (#6137)
• [e2e][Printer] Handle crash indentation on AddParamBasedOnParentClassMethodRector (#6112)

Bugfixes 🐛

• [TypeDeclaration] Skip variadic on AddParamTypeBasedOnPHPUnitDataProviderRector (#6150)
• [TypeDeclaration] Add ConstFetch support on ReturnTypeFromStrictConstantReturnRector (#6151)
• Refactor BooleanTypeMapper to handle value based on context (#6095)
• Check root return in ReturnTypeFromReturnNewRector (#6102)
• Make ReturnUnionTypeRector run on PHP 8.0+ (#6103)
• ReturnUnionTypeRector now return only non-nullable types, to prepare space for new nullable rule as off PHP 7.1+ (#6105)
• [TypeDeclaration] handle explicit if else new on ReturnTypeFromReturnNewRector (#6104)
• [Php70] Swap min is higher than max on RandomFunctionRector (#6109)
• Split StringReturnTypeFromStrictScalarReturnsRector into string, bool and numeric scalar + strict return type rules (#6113)
• [Php71] Handle not identical to Float for empty string should compare to 0.0 on BinaryOpBetweenNumberAndStringRector (#6117)
• [TypeDeclaration] Skip void on BoolReturnTypeFromBooleanStrictReturnsRector (#6118)
• [TypeDeclaration] Fix inline closure type on ClosureReturnTypeRector (#6119)
• [TypeDeclaration] Skip start with shebang on DeclareStrictTypesRector (#6121)
• [Php52] Handle deep if stmts on ContinueToBreakInSwitchRector (#6122)
• [Php52] Handle in deep else on ContinueToBreakInSwitchRector (#6123)
• [TypeDeclaration] Clean up ArrowFunction check on ReturnTypeInferer (#6124)
• [TypeDeclaration] Skip union with yield on NumericReturnTypeFromStrictScalarReturnsRector (#6125)
• [Php82] Handle has only readonly properties but not all promoted property on ReadOnlyClassRector (#6129)
• refactor: Move function first-class-callable to a standalone rule (#6131), Thanks @​nikolicaleksa!
• typo (rectorphp/rector-src@d102bd1)
• Fix ArrayDimFetchToMethodCallRector (#6138), Thanks @​peterfox!
• [CodeQuality] Skip used in static Closure/ArrowFunction on LocallyCalledStaticMethodToNonStaticRector (#6139)
• [CodeQuality] Skip multiple new lines on JoinStringConcatRector (#6141)
• [CodeQuality] Allow change empty() to [] compare of other object property usage on SimplifyEmptyCheckOnEmptyArrayRector (#6147)
• [Php55] Skip parse error on no concat in left in left Concat on PregReplaceEModifierRector (#6148)
• [CodingStyle] Handle with trait use adaptations on SeparateMultiUseImportsRector (#6149)
• [DeadCode] Remove unused @​var on key after remove key on RemoveUnusedForeachKeyRector (#6135)
• [DeadCode] Handle same namespace param type on RemoveUselessParamTagRector (#6133)

Removed and deprecated 💀

• Add - number support, deprecate ReturnTypeFromStrictScalarReturnExprRector functionality, already split (#6114)
• Deprecate BoolReturnTypeFromStrictScalarReturnsRector, use BoolReturnTypeFromBooleanStrictReturnsRector instead (#6115)

... (truncated)

Commits

• b38a3ee Rector 1.2.1
• a86c4a9 Updated Rector to commit 8b983280a817e815b0de72e02d2fe99d201c5a1c
• 427f73f Updated Rector to commit 36b475d84ae192f498854c796bd8246038a5bc7a
• 2cbd10a Updated Rector to commit d6de24c449d21207b50bd5342e3ddc0836a9265b
• 075bcc5 Updated Rector to commit 07a3bdc597ce144a9ccbe370004b437d4118e0c2
• 4fe7b62 Updated Rector to commit 1e7fffd0be6bd99905dff054488e967a276b8727
• 8349226 Updated Rector to commit 25b437a67243133d39aaf9579723013730b4d3f5
• 707f4ca Updated Rector to commit a9ddf8fe859ce31baccee9692438ad03c9101549
• 8c2cb60 Updated Rector to commit 4dd889abe4cabdbe4235578a10a7d6d4b64b5f55
• a07218c Updated Rector to commit e9b4c647f9f40adc9e1859cd620c3632281e3384
• Additional commits viewable in compare view

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[dependabot]

Superseded by #304.