linux_5_4: 5.4.259 -> 5.4.260

pkgs/os-specific/linux/kernel/kernels-org.json

···
         "hash": "sha256:1h944syk7n6c4j1djlx19n77alzwbxcdza77c9ykicgfynhpgsm0"
     },
     "5.4": {
-        "version": "5.4.259",
-        "hash": "sha256:195v4fidavzm637glj6580006mrcaygnbj4za874imb62bxf9rpz"
+        "version": "5.4.260",
+        "hash": "sha256:1zpbaipd2j3idj8h9iznlj0ywcq5nkhwj707a1f9ixf82h3q4c4q"
     },
     "4.19": {
         "version": "4.19.297",