build(deps): bump sentryVersion from 8.20.0 to 8.21.1

Bumps `sentryVersion` from 8.20.0 to 8.21.1.

Updates `io.sentry:sentry-spring-boot-starter-jakarta` from 8.20.0 to 8.21.1
- [Release notes](https://github.com/getsentry/sentry-java/releases)
- [Changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md)
- [Commits](getsentry/sentry-java@8.20.0...8.21.1)

Updates `io.sentry:sentry-logback` from 8.20.0 to 8.21.1
- [Release notes](https://github.com/getsentry/sentry-java/releases)
- [Changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md)
- [Commits](getsentry/sentry-java@8.20.0...8.21.1)

---
updated-dependencies:
- dependency-name: io.sentry:sentry-spring-boot-starter-jakarta
  dependency-version: 8.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.sentry:sentry-logback
  dependency-version: 8.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -48,7 +48,7 @@ repositories {
 
 ext {
     isTravisBuild = System.getenv().get("TRAVIS") == 'true'
-    sentryVersion = '8.20.0'
+    sentryVersion = '8.21.1'
     shedlockVersion = '6.10.0'
 }