update readme action

.gitea/workflows/update_readme.yml

@@ -46,12 +46,15 @@ jobs:
             if $install_node; then
                 NODE_MAJOR=24
                 echo "Installing node ${NODE_MAJOR}"
-                rm /etc/apt/keyrings/nodesource.gpg
-                rm /etc/apt/sources.list.d/nodesource.list
+                if test -f /etc/apt/keyrings/nodesource.gpg; then
+                  rm /etc/apt/keyrings/nodesource.gpg
+                fi
+                if test -f /etc/apt/sources.list.d/nodesource.list; then
+                  rm /etc/apt/sources.list.d/nodesource.list
+                fi
                 apt-get update
                 apt-get install -y -q ca-certificates curl gnupg
                 mkdir -p /etc/apt/keyrings
-                curl -fsSL https://deb.nodesource.com/setup_24.x | bash
                 curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
                 echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_${NODE_MAJOR}.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
                 apt-get update