sanity: update sanity test expected images for new font size

samples/sprues/_builtin_sprues.rb

@@ -4,7 +4,7 @@ Squib::Deck.new(width: '50mm', height: '70mm', cards: 9) do
   background color: :white
   rect stroke_width: 5, stroke_color: :red
   text str: (0..9).map{ |i| "Card! #{i}\n50x77mm" },
-       font: 'Sans 96', align: :center, valign: :middle,
+       font: 'Sans 32', align: :center, valign: :middle,
        height: :deck, width: :deck
 
   %w(

samples/sprues/_fold_sheet.rb

@@ -20,7 +20,7 @@ Squib::Deck.new(width: '2.5in', height: '3.5in', cards: 8) do
     "Back 4",
   ]
 
-  text str: strings,font: 'Sans 96', align: :center, valign: :middle,
+  text str: strings,font: 'Sans 32', align: :center, valign: :middle,
        height: :deck, width: :deck
   save_sheet prefix: 'foldable_',
              sprue: 'letter_poker_foldable_8up.yml'

samples/sprues/_sprue_example.rb

@@ -4,7 +4,7 @@ Squib::Deck.new(cards: 9) do
   background color: :white
   rect stroke_width: 5, stroke_color: :red
   text str: (0..9).map{ |i| "Card #{i}\n2.5x3.5in" },
-       font: 'Sans 96', align: :center, valign: :middle,
+       font: 'Sans 32', align: :center, valign: :middle,
        height: :deck, width: :deck
   save_sheet sprue: 'letter_poker_card_9up.yml',
              prefix: "sprue_example_"