chore: add bundled_apps to .gitignore (#22209)

Author: netroms

dhis-2/.gitignore

@@ -53,3 +53,6 @@ http-client.private.env.json
 
 # Java version file for jenv
 .java-version
+
+# Bundled apps temporary download folder
+/dhis-web-server/bundled_apps/