Version bump for netbootxyz/ubuntu-squash:mint-21-xfce new tag 21.3-6b9166f7

endpoints.yml

@@ -1333,13 +1333,13 @@ endpoints:
     flavor: mate
     kernel: mint-21-mate-squash
   mint-21-xfce-squash:
-    path: /ubuntu-squash/releases/download/21.2-6b9166f7/
+    path: /ubuntu-squash/releases/download/21.3-6b9166f7/
     files:
     - initrd
     - vmlinuz
     - filesystem.squashfs
     os: mint
-    version: '21.2'
+    version: '21.3'
     flavor: xfce
     kernel: mint-21-xfce-squash
   oracle-9-x86_64: