Updated DejaVu Sans font files to version 2.37 (from 2.35)

[ci skip]

Source: https://dejavu-fonts.github.io/Download.html
I haven't done any codepoint list updates in data/hardwired/fonts.cfg. Unlikely
to cause issues, though, I think. The legacy TTF rendering system that uses it
is mostly just used for the Help browser here on the 1.14 branch (on master it's
completely unused and will be removed).

changelog.md

@@ -16,6 +16,7 @@
    * Made debug command notifications more noticeable
    * Updated bundled Oldania font to version 1.007 (from 1.006).
    * Added bold and italic Oldania font variant files.
+   * Updated bundled DejaVu Sans fonts to version 2.27 (from 2.35).
 
 ## Version 1.13.12
  ### Security fixes