feat: 更新环境变量配置，优先使用 GITHUB_TOKEN 以支持 GitHub Actions

.env.example

@@ -1,6 +1,6 @@
 # GitHub Personal Access Token for private repository access
 # Required for auto-updates from private repositories
-GH_TOKEN=
+GH_TOKEN=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
 
 # For private repositories, you might also need:
-# GITHUB_TOKEN= # Alternative token name that some tools might use
+# GITHUB_TOKEN= # Alternative token name that some tools might use