boundary: fix license

pkgs/tools/networking/boundary/default.nix

@@ -63,7 +63,7 @@ stdenv.mkDerivation rec {
       and does not require an agent to be installed on every end host.
     '';
     sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-    license = licenses.mpl20;
+    license = licenses.bsl11;
     maintainers = with maintainers; [ jk techknowlogick ];
     platforms = platforms.unix;
   };