Update dependency io.sentry:sentry-android to v8.21.1 (#5599)

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This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[io.sentry:sentry-android](https://redirect.github.com/getsentry/sentry-java)
| `8.20.0` -> `8.21.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/io.sentry:sentry-android/8.21.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/io.sentry:sentry-android/8.20.0/8.21.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>getsentry/sentry-java (io.sentry:sentry-android)</summary>

###
[`v8.21.1`](https://redirect.github.com/getsentry/sentry-java/blob/HEAD/CHANGELOG.md#8211)

[Compare
Source](https://redirect.github.com/getsentry/sentry-java/compare/8.21.0...8.21.1)

##### Fixes

- Use Kotlin stdlib 1.9.24 dependency instead of 2.2.0 for all Android
modules
([#&#8203;4707](https://redirect.github.com/getsentry/sentry-java/pull/4707))
  - This fixes compile time issues if your app is using Kotlin < 2.x

###
[`v8.21.0`](https://redirect.github.com/getsentry/sentry-java/blob/HEAD/CHANGELOG.md#8210)

[Compare
Source](https://redirect.github.com/getsentry/sentry-java/compare/8.20.0...8.21.0)

##### Fixes

- Only set log template for logging integrations if formatted message
differs from template
([#&#8203;4682](https://redirect.github.com/getsentry/sentry-java/pull/4682))

##### Features

- Add support for Spring Boot 4 and Spring 7
([#&#8203;4601](https://redirect.github.com/getsentry/sentry-java/pull/4601))
- NOTE: Our `sentry-opentelemetry-agentless-spring` is not working yet
for Spring Boot 4. Please use `sentry-opentelemetry-agent` until
OpenTelemetry has support for Spring Boot 4.
- Replace `UUIDGenerator` implementation with Apache licensed code
([#&#8203;4662](https://redirect.github.com/getsentry/sentry-java/pull/4662))
- Replace `Random` implementation with MIT licensed code
([#&#8203;4664](https://redirect.github.com/getsentry/sentry-java/pull/4664))
- Add support for `vars` attribute in `SentryStackFrame`
([#&#8203;4686](https://redirect.github.com/getsentry/sentry-java/pull/4686))
- **Breaking change**: The type of the `vars` attribute has been changed
from `Map<String, String>` to `Map<String, Object>`.

</details>

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Co-authored-by: sagarwal <[email protected]>

Author: renovate[bot]

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Next Release
 
+### Internal
+- Bump Sentry to v8.21.1
+
 ## 2025.09.09
 
 ### Internal

gradle/libs.versions.toml

@@ -179,7 +179,7 @@ rx-java = "io.reactivex.rxjava2:rxjava:2.2.21"
 rx-kotlin = "io.reactivex.rxjava2:rxkotlin:2.4.0"
 rx-preferences = "com.f2prateek.rx.preferences2:rx-preferences:2.0.1"
 
-sentry-android = "io.sentry:sentry-android:8.20.0"
+sentry-android = "io.sentry:sentry-android:8.21.1"
 
 signaturepad = "com.github.gcacace:signature-pad:1.3.1"