Potential fix for code scanning alert no. 2: Incomplete string escaping or encoding

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: Hi7cl4w

src/service/GitService.ts

@@ -124,7 +124,7 @@ class GitService {
       // Simple glob pattern matching
       if (pattern.includes("*")) {
         const regex = new RegExp(
-          `^${pattern.replace(/\./g, "\\.").replace(/\*/g, ".*").replace(/\?/g, ".")}$`,
+          `^${pattern.replace(/\\/g, "\\\\").replace(/\./g, "\\.").replace(/\*/g, ".*").replace(/\?/g, ".")}$`,
         );
         if (regex.test(filePath)) {
           return true;