Fix Cairo comment token

xJonathanLEI · archseer · commit 17488f14d6d2 · 2022-10-17T10:35:15.000+09:00
diff --git a/languages.toml b/languages.toml
@@ -1440,7 +1440,7 @@ scope = "source.cairo"
 injection-regex = "cairo"
 file-types = ["cairo"]
 roots = []
-comment-token = "#"
+comment-token = "//"
 indent = { tab-width = 4, unit = "    " }
 
 [[grammar]]
