Bump csv from 3.3.0 to 3.3.1 in /steep

Bumps [csv](https://github.com/ruby/csv) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/ruby/csv/releases)
- [Changelog](https://github.com/ruby/csv/blob/master/NEWS.md)
- [Commits](ruby/csv@v3.3.0...v3.3.1)

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

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

Author: dependabot[bot]

steep/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
     bigdecimal (3.1.8)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
-    csv (3.3.0)
+    csv (3.3.1)
     drb (2.2.1)
     ffi (1.17.0)
     fileutils (1.7.3)