docs: 替换失效的 Star History 图表链接

官方 api.star-history.com 因 GitHub 收紧 stargazers API 已不可用，
改用 star-history.dera.page 恢复图表显示，同步更新三个 README。

Ref: #2894

Author: Snailclimb

README.md

@@ -470,7 +470,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8](https://docs.oracle.
 
 ## Star 趋势
 
-![Stars](https://api.star-history.com/svg?repos=Snailclimb/JavaGuide&type=Date)
+[![Star History Chart](https://star-history.dera.page/svg?repos=Snailclimb/JavaGuide&type=date&legend=top-left)](https://star-history.dera.page/#Snailclimb/JavaGuide&type=date&legend=top-left)
 
 ## 公众号
 

README_EN.md

@@ -438,7 +438,7 @@ Deploying multiple instances of the same service to avoid single point of failur
 
 ## Star Trend
 
-![Stars](https://api.star-history.com/svg?repos=Snailclimb/JavaGuide&type=Date)
+[![Star History Chart](https://star-history.dera.page/svg?repos=Snailclimb/JavaGuide&type=date&legend=top-left)](https://star-history.dera.page/#Snailclimb/JavaGuide&type=date&legend=top-left)
 
 ## Official Public Account
 

README_JA.md

@@ -423,7 +423,7 @@ JVM の部分は主に [JVM 仕様 - Java 8](https://docs.oracle.com/javase/spec
 
 ## Star のトレンド
 
-![Stars](https://api.star-history.com/svg?repos=Snailclimb/JavaGuide&type=Date)
+[![Star History Chart](https://star-history.dera.page/svg?repos=Snailclimb/JavaGuide&type=date&legend=top-left)](https://star-history.dera.page/#Snailclimb/JavaGuide&type=date&legend=top-left)
 
 ## 公式公衆号