go.mod: bump github.com/ulikunitz/xz for security warning

Doesn't look to affect us, but pacifies security scanners.

See 88ddf1d0d9

It's for decoding. We only use this package for encoding (via
github.com/google/rpmpack / github.com/goreleaser/nfpm/v2).

Updates #8043

Change-Id: I87631aa5048f9514bb83baf1424f6abb34329c46
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

flake.nix

@@ -148,5 +148,5 @@
     });
   };
 }
-# nix-direnv cache busting line: sha256-15aaW3lqRgXQxBKEWRJTEV1GPmG7Gc9XwsTTu+M5rTY=
+# nix-direnv cache busting line: sha256-8aE6dWMkTLdWRD9WnLVSzpOQQh61voEnjZAJHtbGCSs=
 

go.mod

@@ -391,7 +391,7 @@ require (
 	github.com/tomarrell/wrapcheck/v2 v2.8.3 // indirect
 	github.com/tommy-muehle/go-mnd/v2 v2.5.1 // indirect
 	github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701 // indirect
-	github.com/ulikunitz/xz v0.5.11 // indirect
+	github.com/ulikunitz/xz v0.5.15 // indirect
 	github.com/ultraware/funlen v0.1.0 // indirect
 	github.com/ultraware/whitespace v0.1.0 // indirect
 	github.com/uudashr/gocognit v1.1.2 // indirect

go.mod.sri

@@ -1 +1 @@
-sha256-15aaW3lqRgXQxBKEWRJTEV1GPmG7Gc9XwsTTu+M5rTY=
+sha256-8aE6dWMkTLdWRD9WnLVSzpOQQh61voEnjZAJHtbGCSs=

go.sum

@@ -1031,8 +1031,8 @@ github.com/u-root/u-root v0.14.0 h1:Ka4T10EEML7dQ5XDvO9c3MBN8z4nuSnGjcd1jmU2ivg=
 github.com/u-root/u-root v0.14.0/go.mod h1:hAyZorapJe4qzbLWlAkmSVCJGbfoU9Pu4jpJ1WMluqE=
 github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701 h1:pyC9PaHYZFgEKFdlp3G8RaCKgVpHZnecvArXvPXcFkM=
 github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701/go.mod h1:P3a5rG4X7tI17Nn3aOIAYr5HbIMukwXG0urG0WuL8OA=
-github.com/ulikunitz/xz v0.5.11 h1:kpFauv27b6ynzBNT/Xy+1k+fK4WswhN/6PN5WhFAGw8=
+github.com/ulikunitz/xz v0.5.15 h1:9DNdB5s+SgV3bQ2ApL10xRc35ck0DuIX/isZvIk+ubY=
-github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+github.com/ulikunitz/xz v0.5.15/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/ultraware/funlen v0.1.0 h1:BuqclbkY6pO+cvxoq7OsktIXZpgBSkYTQtmwhAK81vI=
 github.com/ultraware/funlen v0.1.0/go.mod h1:XJqmOQja6DpxarLj6Jj1U7JuoS8PvL4nEqDaQhy22p4=
 github.com/ultraware/whitespace v0.1.0 h1:O1HKYoh0kIeqE8sFqZf1o0qbORXUCOQFrlaQyZsczZw=

shell.nix

@@ -16,4 +16,4 @@
 ) {
   src =  ./.;
 }).shellNix
-# nix-direnv cache busting line: sha256-15aaW3lqRgXQxBKEWRJTEV1GPmG7Gc9XwsTTu+M5rTY=
+# nix-direnv cache busting line: sha256-8aE6dWMkTLdWRD9WnLVSzpOQQh61voEnjZAJHtbGCSs=