fix: add .idea/copilot*.xml to .gitignore

Author: nixel2007

.gitignore

@@ -80,6 +80,7 @@ public/
 bsl-language-server/
 bsl-language-server_*.zip
 /.idea/misc.xml
+/.idea/copilot*.xml
 *.log
 *.hprof
 /.idea/material_theme_project_new.xml