update mm theme

Author: NuclearPhoenixx

_config.yml

@@ -10,7 +10,7 @@
 # Review documentation to determine if you should use `theme` or `remote_theme`
 # https://mmistakes.github.io/minimal-mistakes/docs/quick-start-guide/#installing-the-theme
 
-remote_theme             : "mmistakes/minimal-mistakes@4.27.2"
+remote_theme             : "mmistakes/minimal-mistakes@4.27.3"
 minimal_mistakes_skin    : "air" # "default", "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum
 
 # Site Settings