Bump markdown from 6.0.1 to 7.0.0 in /web/_tool (#1653)

dependabot[bot] · web-flow · commit cdc9025be2e1 · 2023-02-13T19:48:27.000+10:00
diff --git a/web/_tool/pubspec.yaml b/web/_tool/pubspec.yaml
@@ -5,7 +5,7 @@ environment:
   sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
-  markdown: ^6.0.0
+  markdown: ^7.0.0
   path: ^1.8.0
 
 dev_dependencies:
