fix(deps): update io.sentry:sentry-bom to v8.21.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -71,7 +71,7 @@ plugin-sentry = { module = "io.sentry:sentry-android-gradle-plugin", version = "
 plugin-versions = { module = "com.github.ben-manes:gradle-versions-plugin", version = "0.52.0" }
 robolectric = { module = "org.robolectric:robolectric", version = "4.16" }
 sentry = { module = "io.sentry:sentry-android" }
-sentry-bom = { module = "io.sentry:sentry-bom", version = "8.20.0" }
+sentry-bom = { module = "io.sentry:sentry-bom", version = "8.21.0" }
 sentry-okhttp = { module = "io.sentry:sentry-okhttp" }
 snowplow-android-tracker = { module = "com.snowplowanalytics:snowplow-android-tracker", version = "6.2.0" }
 turbine = { module = "app.cash.turbine:turbine", version = "1.2.1" }