revert: v24 version in install guide

this should be instructed differently

Author: prplwtf

apps/frontend/content/guides/admin/install.md

@@ -44,7 +44,7 @@ sudo apt install -y ca-certificates curl git gnupg unzip wget zip
 # Add Node.js apt repository
 sudo mkdir -p /etc/apt/keyrings
 curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
-echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_24.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
+echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_22.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
 sudo apt update
 sudo apt install -y nodejs