chore: update dependency org.mockito:mockito-junit-jupiter to v5.21.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.mockito:mockito-junit-jupiter	5.20.0 -> 5.21.0

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Release Notes

mockito/mockito (org.mockito:mockito-junit-jupiter)

v5.21.0

^{Changelog generated by Shipkit Changelog Gradle Plugin}

5.21.0

• 2025-12-09 - 17 commit(s) by Giulio Longfils, Joshua Selbo, Woongi9, Zylox, dependabot[bot]
• Bump graalvm/setup-graalvm from 1.4.3 to 1.4.4 (#​3768)
• Bump graalvm/setup-graalvm from 1.4.2 to 1.4.3 (#​3767)
• Bump actions/checkout from 5 to 6 (#​3765)
• Adds output of matchers to potential mismatch; Fixes #​2468 (#​3760)
• Forbid mocking WeakReference with inline mock maker (#​3759)
• StackOverflowError when mocking WeakReference (#​3758)
• Bump actions/upload-artifact from 4 to 5 (#​3756)
• Bump graalvm/setup-graalvm from 1.4.1 to 1.4.2 (#​3755)
• Support primitives in GenericArrayReturnType. (#​3753)
• ClassNotFoundException when stubbing array of primitive type on Android (#​3752)
• Bump graalvm/setup-graalvm from 1.4.0 to 1.4.1 (#​3744)
• Bump gradle/actions from 4 to 5 (#​3743)
• Bump org.graalvm.buildtools.native from 0.11.0 to 0.11.1 (#​3738)
• Bump com.diffplug.spotless:spotless-plugin-gradle from 7.2.1 to 8.0.0 (#​3735)
• Bump graalvm/setup-graalvm from 1.3.7 to 1.4.0 (#​3734)
• Bump org.assertj:assertj-core from 3.27.5 to 3.27.6 (#​3733)
• Bump errorprone from 2.41.0 to 2.42.0 (#​3732)
• Feat: automatically detect class to mock in mockStatic and mockConstruction (#​3731)
• Return completed futures for unstubbed Future/CompletionStage in ReturnsEmptyValues (#​3727)
• automatically detect class to mock (#​2779)
• Incorrect "has following stubbing(s) with different arguments" message when using Argument Matchers (#​2468)

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Test Results

 56 files  ±0   56 suites  ±0   3m 12s ⏱️ -45s
571 tests ±0  571 ✅ ±0  0 💤 ±0  0 ❌ ±0 
938 runs  ±0  938 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 833603e. ± Comparison against base commit 891e69c.

This pull request removes 37 and adds 37 tests. Note that renamed tests count towards both.

eu.cloudnetservice.driver.impl.document.DocumentSerialisationTest ‑ [4] {"b":1,"s":2,"i":3,"l":4,"f":5.0,"d":6.0,"c":"/","string":"Hello, World!","bol":true,"cloud":["Ben?","Yes","No","HoHoHoHo"],"world":{"this":"is","insane":"!","hello":"world"}}, PRETTY
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [14] 2025-12-08
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 19:40:38.966688263
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 19:40:38.971421188Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 19:40:38.971455492Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 19:40:38.971508962+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 19:40:38.971545160-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-12-08T19:40:38.971687366
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-12-08T19:40:38.971846935Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-12-08T19:40:38.956970862Z
…

eu.cloudnetservice.driver.impl.document.DocumentSerialisationTest ‑ [4] {"b":1,"s":2,"i":3,"l":4,"f":5.0,"d":6.0,"c":"/","string":"Hello, World!","bol":true,"cloud":["Ben?","Yes","No","HoHoHoHo"],"world":{"this":"is","hello":"world","insane":"!"}}, PRETTY
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [14] 2025-12-09
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 20:52:25.699636331
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 20:52:25.699743691Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 20:52:25.699762065Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 20:52:25.699794796+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 20:52:25.699824451-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-12-09T20:52:25.699976974
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-12-09T20:52:25.708212899Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-12-09T20:52:25.690228270Z
…