build(deps): bump com.google.crypto.tink:tink from 1.20.0 to 1.21.0

Bumps [com.google.crypto.tink:tink](https://github.com/tink-crypto/tink-java) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/tink-crypto/tink-java/releases)
- [Commits](tink-crypto/tink-java@v1.20.0...v1.21.0)

---
updated-dependencies:
- dependency-name: com.google.crypto.tink:tink
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -105,7 +105,7 @@ awaitility = { module = "org.awaitility:awaitility", version.ref = "awaitility"
 restAssured = { module = "io.rest-assured:rest-assured", version.ref = "restAssured" }
 jakarta-json-api = { module = "jakarta.json:jakarta.json-api", version.ref = "jakarta-json" }
 jakarta-rsApi = { module = "jakarta.ws.rs:jakarta.ws.rs-api", version.ref = "rsApi" }
-tink = { module = "com.google.crypto.tink:tink", version = "1.20.0" }
+tink = { module = "com.google.crypto.tink:tink", version = "1.21.0" }
 jackson-datatype-jakarta-jsonp = { module = "com.fasterxml.jackson.datatype:jackson-datatype-jakarta-jsonp", version.ref = "jackson" }
 parsson = { module = "org.eclipse.parsson:parsson", version.ref = "parsson" }