feat: support minecraft 1.21.7

[0utplay]

Motivation

Minecraft 1.21.7 was released and we should update our downloads.

Modification

Updated the downloads for 1.21.7.

Result

Minecraft 1.21.7 is available in the template installer.

[github-actions]

Test Results

 56 files  ±0   56 suites  ±0   2m 28s ⏱️ +17s
566 tests ±0  566 ✅ ±0  0 💤 ±0  0 ❌ ±0 
931 runs  ±0  931 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 4e436f1. ± Comparison against base commit b67817d.

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":{"hello":"world","insane":"!","this":"is"}}, PRETTY
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [14] 2025-06-30
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 18:12:50.859163863
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 18:12:50.859262908Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 18:12:50.859283897Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 18:12:50.859304145+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 18:12:50.859319634-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-06-30T18:12:50.859441001
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-06-30T18:12:50.863957893Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-06-30T18:12:50.853277738Z
…

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] 2025-07-02
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [23] 06:47:16.828229292
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [28] 06:47:16.828341160Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [29] 06:47:16.828366547Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [30] 06:47:16.828391073+05:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [31] 06:47:16.828408065-03:00
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [34] 2025-07-02T06:47:16.828534030
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [39] 2025-07-02T06:47:16.828667458Z
eu.cloudnetservice.driver.impl.document.gson.JavaTimeSerializerTest ‑ [4] 2025-07-02T06:47:16.819619948Z
…

♻️ This comment has been updated with latest results.