Bump talonfmt version (#989)

Fixes:

- Support for negative numbers
  <wenkokke/talonfmt#17>
- Support for settings with preceding underscores
  <wenkokke/talonfmt#16>
- Support for key bindings
  <wenkokke/talonfmt#8>

.pre-commit-config.yaml

@@ -48,7 +48,7 @@ repos:
         files: \.talon$
         args: ["--whitespaces-count=4"]
   - repo: https://github.com/wenkokke/talonfmt
-    rev: 1.7.4
+    rev: 1.8.0
     hooks:
       - id: talonfmt
         args: ["--in-place", "--max-line-width=80"]