Update ksp to v2.0.21-1.0.28 (slackhq#1804)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [com.google.devtools.ksp](https://goo.gle/ksp)
([source](https://redirect.github.com/google/ksp)) | plugin | patch |
`2.0.21-1.0.27` -> `2.0.21-1.0.28` |
| [com.google.devtools.ksp:symbol-processing-api](https://goo.gle/ksp)
([source](https://redirect.github.com/google/ksp)) | dependencies |
patch | `2.0.21-1.0.27` -> `2.0.21-1.0.28` |
| [com.google.devtools.ksp:symbol-processing](https://goo.gle/ksp)
([source](https://redirect.github.com/google/ksp)) | dependencies |
patch | `2.0.21-1.0.27` -> `2.0.21-1.0.28` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>google/ksp (com.google.devtools.ksp)</summary>

###
[`v2.0.21-1.0.28`](https://redirect.github.com/google/ksp/releases/tag/2.0.21-1.0.28)

[Compare
Source](https://redirect.github.com/google/ksp/compare/2.0.21-1.0.27...2.0.21-1.0.28)

##### Updates

- \[KSP2] Running from command line never finishes
[#&#8203;2176](https://redirect.github.com/google/ksp/issues/2176)
- Introduce KspAATask.commandLineArgumentProviders
[#&#8203;2201](https://redirect.github.com/google/ksp/issues/2201)

##### Contributors

Thanks to [@&#8203;GeorgCantor](https://redirect.github.com/GeorgCantor)
and everyone who reported bugs and participated in discussions!

</details>

---

### Configuration

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
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gradle/libs.versions.toml

@@ -35,7 +35,7 @@ kotlinInject-anvil = "0.1.0"
 kotlinpoet = "2.0.0"
 kotlinx-coroutines = "1.9.0"
 kotlinx-serialization = "1.7.3"
-ksp = "2.0.21-1.0.27"
+ksp = "2.0.21-1.0.28"
 ktfmt = "0.53"
 ktor = "3.0.1"
 leakcanary = "2.14"