chore: update dependency com.diffplug.spotless to v7.1.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.diffplug.spotless	7.0.4 -> 7.1.0

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Test Results

 56 files  ±0   56 suites  ±0   2m 11s ⏱️ -42s
570 tests ±0  570 ✅ ±0  0 💤 ±0  0 ❌ ±0 
935 runs  ±0  935 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 15d59cc. ± Comparison against base commit c108c3e.

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":{"insane":"!","hello":"world","this":"is"}}, PRETTY
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [14] 2025-07-05
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 22:21:16.493105216
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 22:21:16.493221032Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 22:21:16.493242613Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 22:21:16.493264484+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 22:21:16.493282818-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-07-05T22:21:16.493410477
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-07-05T22:21:16.493542874Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-07-05T22:21:16.486859409Z
…

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] 2025-07-07
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 22:15:07.009120286
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 22:15:07.009192522Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 22:15:07.009206608Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 22:15:07.009220635+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 22:15:07.009231125-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-07-07T22:15:07.009318449
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-07-07T22:15:07.009430801Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-07-07T22:15:07.006367683Z
…