Update spring core to v5.3.37

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.springframework:spring-web	5.3.36 -> 5.3.37
org.springframework:spring-context	5.3.36 -> 5.3.37

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Release Notes

spring-projects/spring-framework (org.springframework:spring-web)

### [`v5.3.37`](https://togithub.com/spring-projects/spring-framework/releases/tag/v5.3.37) [Compare Source](https://togithub.com/spring-projects/spring-framework/compare/v5.3.36...v5.3.37) ##### :star: New Features - AnnotationUtils performance degrades with deep stacks [#​32923](https://togithub.com/spring-projects/spring-framework/issues/32923) ##### :lady_beetle: Bug Fixes - AspectJ CTW aspects executed twice [#​32974](https://togithub.com/spring-projects/spring-framework/issues/32974) - SpEL compilation fails when indexing into a `Map` with a primitive [#​32911](https://togithub.com/spring-projects/spring-framework/issues/32911) - SpEL compilation fails when indexing into an array or list with an `Integer` [#​32909](https://togithub.com/spring-projects/spring-framework/issues/32909) - Application not starting with `@EnableTransactionManagement`(mode = AdviceMode.ASPECTJ) [#​32885](https://togithub.com/spring-projects/spring-framework/issues/32885) ##### :hammer: Dependency Upgrades - Upgrade to Reactor 2020.0.45 [#​33010](https://togithub.com/spring-projects/spring-framework/issues/33010)

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