style 💎: Update default VM settings

Reduced memory and CPU resources in the default template to improve performance.

defaults/main.yml

@@ -14,10 +14,10 @@ vm_id: 150
 hostname: debian-template-base
 
 # Memory in MB
-memory: 4096
+memory: 2048
 
 # Number of CPU cores
-cores: 4
+cores: 2
 
 # CPU type (host, kvm64, x86-64-v2-AES, etc.)
 cpu_type: host
@@ -103,7 +103,7 @@ packages:
 resize_disk: true
 
 # Target disk size (use 'G' for GB, 'T' for TB)
-resize_size: "16G"
+resize_size: "8G"
 
 ###############################################################################
 # UEFI + TPM 2.0 CONFIGURATION (Advanced)