Update slack.lint to v0.8.1 (#1008)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[com.slack.lint:slack-lint-annotations](https://redirect.github.com/slackhq/slack-lints)
| dependencies | minor | `0.7.4` -> `0.8.1` |
|
[com.slack.lint:slack-lint-checks](https://redirect.github.com/slackhq/slack-lints)
| dependencies | minor | `0.7.4` -> `0.8.1` |

---

### Release Notes

<details>
<summary>slackhq/slack-lints
(com.slack.lint:slack-lint-annotations)</summary>

###
[`v0.8.1`](https://redirect.github.com/slackhq/slack-lints/blob/HEAD/CHANGELOG.md#081)

[Compare
Source](https://redirect.github.com/slackhq/slack-lints/compare/0.8.0...0.8.1)

*2024-10-03*

- Open-source `AvoidUsingNotNullOperator`, `InflationInItemDecoration`,
and `DoNotCallViewToString` checks.

###
[`v0.8.0`](https://redirect.github.com/slackhq/slack-lints/blob/HEAD/CHANGELOG.md#080)

[Compare
Source](https://redirect.github.com/slackhq/slack-lints/compare/0.7.4...0.8.0)

*2024-10-02*

- **Enhancement**: Tweak explanation for default dispatcher use in
rx<->flow interop.
-   **Enhancement**: Switch to stable kotlin-metadata artifact
-   **Fix**: Allow Dagger providers to be called from test sources.
-   Build against lint `8.8.0-alpha04`.
-   Update `api`/`minApi` to `16` (Lint 8.7.0+).
-   Build against Kotlin `2.0.20`.
- Target Kotlin language version `1.9` in lint-checks (imposed by lint),
`2.0` in lint-annotations.

</details>

---

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---

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---

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gradle/libs.versions.toml

@@ -31,7 +31,7 @@ nullawayGradle = "1.6.0"
 okhttp = "5.0.0-alpha.12"
 okio = "3.9.1"
 retrofit = "2.11.0"
-slack-lint = "0.7.4"
+slack-lint = "0.8.1"
 sortDependencies = "0.7"
 spotless = "7.0.0.BETA2"
 sqldelight = "2.0.2"