build(deps-dev): bump rdiscount in /Library/Homebrew

Bumps [rdiscount](https://github.com/davidfstr/rdiscount) from 2.2.7.2 to 2.2.7.3.
- [Changelog](https://github.com/davidfstr/rdiscount/blob/master/CHANGELOG.md)
- [Commits](https://github.com/davidfstr/rdiscount/compare/2.2.7.2...2.2.7.3)

---
updated-dependencies:
- dependency-name: rdiscount
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Library/Homebrew/Gemfile.lock

@@ -65,7 +65,7 @@ GEM
     rbi (0.1.6)
       prism (>= 0.18.0, < 0.20)
       sorbet-runtime (>= 0.5.9204)
-    rdiscount (2.2.7.2)
+    rdiscount (2.2.7.3)
     regexp_parser (2.8.3)
     rexml (3.2.6)
     ronn (0.7.3)
@@ -181,7 +181,6 @@ GEM
     zeitwerk (2.6.12)
 
 PLATFORMS
-  aarch64-linux
   arm-linux
   arm64-darwin
   x86_64-darwin