nits: Tweak label rules

sue445 · sue445 · commit 820cd8875ebd · 2024-10-28T23:26:34.000+09:00
diff --git a/.github/labeler.yml b/.github/labeler.yml
@@ -1,8 +1,8 @@
-go-module:
+go:
   - changed-files:
       - any-glob-to-any-file: "ruby/**/*"
 
-go_gem:
+ruby:
   - changed-files:
       - any-glob-to-any-file: "gem/**/*"
 
