Update jetbrains_mono_bold_20.c

Fix 0 (zero) symbol. For more details, #988

Author: medeyko

src/displayapp/fonts/jetbrains_mono_bold_20.c

@@ -88,8 +88,8 @@ static LV_ATTRIBUTE_LARGE_CONST const uint8_t glyph_bitmap[] = {
     0xe, 0x3, 0x80, 0xc0, 0x70, 0x18, 0xe, 0x0,
 
     /* U+0030 "0" */
-    0x3f, 0x1f, 0xef, 0x3f, 0x87, 0xe1, 0xf8, 0x7f,
-    0xdf, 0xf7, 0xe1, 0xf8, 0x7e, 0x1f, 0xcf, 0x7f,
+    0x3f, 0x1f, 0xef, 0x3f, 0x87, 0xe1, 0xf8, 0x7e,
+    0xdf, 0xb7, 0xe1, 0xf8, 0x7e, 0x1f, 0xcf, 0x7f,
     0x8f, 0xc0,
 
     /* U+0031 "1" */