Update supported Proxmox VE versions to include 9.1

The pve_check function now allows Proxmox VE 9.1 in addition to 9.0 and 8.x. Error messages and comments have been updated to reflect the expanded support.

VERSION

@@ -1 +1 @@
-0.4.13
+0.4.11

scripts/core/core.func

@@ -392,6 +392,8 @@ cleanup_lxc() {
 
   # Python pip
   if command -v pip &>/dev/null; then $STD pip cache purge || true; fi
+  # Python uv
+  if command -v uv &>/dev/null; then $STD uv cache clear || true; fi
   # Node.js npm
   if command -v npm &>/dev/null; then $STD npm cache clean --force || true; fi
   # Node.js yarn
@@ -408,6 +410,7 @@ cleanup_lxc() {
   if command -v composer &>/dev/null; then $STD composer clear-cache || true; fi
 
   if command -v journalctl &>/dev/null; then
+    $STD journalctl --rotate || true
     $STD journalctl --vacuum-time=10m || true
   fi
   msg_ok "Cleaned"