[Docs] Japanese translation of breaking_changes*.md (#8576)

* add japanese translation 'docs/ja/breaking_changes.md'

Note: this is cherry-pick from umi-umi's translation in PR #7248

* update ja/breaking_changes.md

* update ja/breaking_changes.md, add ja/breaking_changes_instructions.md

* translating ja/breaking_changes_instructions.md

* translating ja/breaking_changes_instructions.md

* translated ja/breaking_changes_instructions.md

* update ja/breaking_changes.md, ja/breaking_changes_instructions.md

Breaking change の訳語を「破壊的な変更」から「互換性を破る変更」に変更。
ただし、文中の用語としては、Breaking change をそのまま使用するむねドキュメントの導入部で
訳注でしめし、文中では、原語のまま使用する。

* update docs/ja/_summary.md

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

* Update docs/ja/breaking_changes_instructions.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes_instructions.md

Co-Authored-By: shela <[email protected]>

* update docs/ja/breaking_changes.md

* Update docs/ja/breaking_changes_instructions.md

Co-Authored-By: shela <[email protected]>

* Update docs/ja/breaking_changes_instructions.md

* Update docs/ja/breaking_changes_instructions.md

Co-Authored-By: shela <[email protected]>

* update docs/ja/breaking_changes_instructions.md

* update docs/ja/breaking_changes_instructions.md

* The base of the translation of docs/ja/breaking_changes_instructions.md was changed to 0.9.0.

* The base of the translation of docs/ja/breaking_changes.md was changed to 0.9.0.

* Update docs/ja/breaking_changes.md

Co-authored-by: s-show <[email protected]>

* update docs/ja/breaking_changes.md

* Update docs/ja/breaking_changes_instructions.md

Co-authored-by: shela <[email protected]>

* update docs/ja/breaking_changes.md

* update docs/ja/breaking_changes.md

Co-authored-by: umi-umi <[email protected]>
Co-authored-by: shela <[email protected]>
Co-authored-by: s-show <[email protected]>

docs/ja/_summary.md

@@ -106,7 +106,7 @@
     * [Velocikey](ja/feature_velocikey.md)
 
 * QMK の開発
-  * 破壊的な変更
+  * 互換性を破る変更/Breaking changes
     * [概要](ja/breaking_changes.md)
     * [プルリクエストにフラグが付けられた](ja/breaking_changes_instructions.md)
     * 履歴