Update slack.lint to v0.8.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.slack.lint:slack-lint-annotations	0.8.1 -> 0.8.2
com.slack.lint:slack-lint-checks	0.8.1 -> 0.8.2

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Release Notes

slackhq/slack-lints (com.slack.lint:slack-lint-annotations)

### [`v0.8.2`](https://redirect.github.com/slackhq/slack-lints/blob/HEAD/CHANGELOG.md#082) [Compare Source](https://redirect.github.com/slackhq/slack-lints/compare/0.8.1...0.8.2) *2024-10-14* - **Enhancement**: Handle `@Multipart` and `@Part` annotations in Retrofit lints.

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Configuration

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