Update dependency gradle to v8.1.1

This PR contains the following updates:

Package	Update	Change
gradle (source)	patch	`8.1` -> `8.1.1`

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Release Notes

gradle/gradle

### [`v8.1.1`](https://togithub.com/gradle/gradle/releases/tag/v8.1.1): 8.1.1 This is a patch release for Gradle 8.1. We recommend using 8.1.1 instead of 8.1. It fixes the following issues: - [#24748](https://togithub.com/gradle/gradle/issues/24748) MethodTooLargeException when instrumenting a class with thousand of lambdas for configuration cache - [#24754](https://togithub.com/gradle/gradle/issues/24754) Kotlin DSL precompiled script plugins built with Gradle 8.1 cannot be used with other versions of Gradle - [#24788](https://togithub.com/gradle/gradle/issues/24788) Gradle 8.1 configure freeCompilerArgs for Kotlin in buildSrc breaks build with unhelpful errors [Read the Release Notes](https://docs.gradle.org/8.1.1/release-notes.html) #### Upgrade Instructions Switch your build to use Gradle 8.1.1 by updating your wrapper: ./gradlew wrapper --gradle-version=8.1.1 See the [Gradle 8.x upgrade guide](https://docs.gradle.org/8.1.1/userguide/upgrading_version\_8.html#changes\_8.1) to learn about deprecations, breaking changes and other considerations when upgrading to Gradle 8.1.1. #### Reporting Problems If you find a problem with this release, please file a bug on [GitHub Issues](https://togithub.com/gradle/gradle/issues) adhering to our issue guidelines. If you're not sure you're encountering a bug, please use the [forum](https://discuss.gradle.org/c/help-discuss).

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JuulLabs / exercise