fix: glyphs like \Omega and \otimes not correctly rendered

The upstream uses glyph ¬ (NOT SIGN) to represent SOFT HYPHEN.
We should also use patched fonts to prevent these glyphs being incorrectly rendered as NOT SIGN.
See: https://github.com/artisticat1/tikzjax/commit/ba892f23a2d280d018681a4f88b39f5a8648c7c7

Related Issues:
https://github.com/prinsss/node-tikzjax/issues/4
https://github.com/prinsss/hexo-filter-tikzjax/issues/1