Remove redundant python3 from dependencies

node-gyp requires make/gcc (from build-essential) and python3 to compile
native modules like isolated-vm during npm update. These were present in
the install script but missing from the update path.

Closes #12786

ct/n8n.sh

@@ -28,7 +28,7 @@ function update_script() {
     exit
   fi
 
-  ensure_dependencies graphicsmagick
+  ensure_dependencies build-essential python3-setuptools graphicsmagick
   NODE_VERSION="24" setup_nodejs
 
   msg_info "Updating n8n"

misc/tools.func

@@ -4685,10 +4685,10 @@ _setup_nvidia_gpu() {
   # Format varies by driver type:
   #   Proprietary: "NVRM version: NVIDIA UNIX x86_64 Kernel Module  550.54.14  Thu..."
   #   Open:        "NVRM version: NVIDIA UNIX Open Kernel Module for x86_64  590.48.01  Release..."
-  # Use regex to extract version number (###.##.## or ###.## pattern)
+  # Use regex to extract version number (###.##.## pattern)
   local nvidia_host_version=""
   if [[ -f /proc/driver/nvidia/version ]]; then
-    nvidia_host_version=$(grep -oP '\d{3,}\.\d+(\.\d+)?' /proc/driver/nvidia/version 2>/dev/null | head -1)
+    nvidia_host_version=$(grep -oP '\d{3,}\.\d+\.\d+' /proc/driver/nvidia/version 2>/dev/null | head -1)
   fi
 
   if [[ -z "$nvidia_host_version" ]]; then