⬆️ Bump Hammerspoon dependency to 0.9.100

Everything _probably_ still works fine using Hammerspoon 0.9.90 through
0.9.99, but I'm not using those versions, so I can't confidently tell
folks that they'll have a good experience on those versions.

README.md

@@ -163,9 +163,9 @@ Hyper Mode ships with the default keybindings below, but you'll likely want to p
 
 This setup is honed and tested with the following dependencies.
 
-- [Hammerspoon 0.9.90][hammerspoon]
 - macOS Sonoma, 14.4
 - [Karabiner-Elements 14.3.0][karabiner]
+- [Hammerspoon 0.9.100][hammerspoon]
 
 ## Installation