Update mononoki to 1.5

Mononoki is now a RFN; but under conditions mentioned in [1]
we can use that name for the patched font.

[1] https://github.com/ryanoasis/nerd-fonts/issues/575#issuecomment-1385308049

Fixes: #575

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

bin/scripts/lib/fonts.json

@@ -352,7 +352,7 @@
     },
     {
       "unpatchedName": "Mononoki",
-      "RFN": false,
+      "RFN": true,
       "patchedName": "Mononoki",
       "folderName": "Mononoki",
       "imagePreviewFont": "Mononoki Nerd Font",

src/unpatched-fonts/Mononoki/LICENSE.txt

@@ -1,5 +1,5 @@
-Copyright (c) 2013, Matthias Tellen matthias.tellen@googlemail.com,
-with Reserved Font Name monoOne.
+Copyright (c) 2022, Matthias Tellen matthias.tellen@googlemail.com,
+with Reserved Font Name mononoki.
 
 This Font Software is licensed under the SIL Open Font License, Version 1.1.
 This license is copied below, and is also available with a FAQ at:

src/unpatched-fonts/Mononoki/README.md

@@ -0,0 +1,4 @@
+# mononoki 1.5
+mononoki: A font for programming and code review
+
+For more information have a look at the upstream website: https://github.com/madmalik/mononoki