Bump solid_cable from 3.0.3 to 3.0.4

Bumps [solid_cable](https://github.com/rails/solid_cable) from 3.0.3 to 3.0.4.
- [Release notes](https://github.com/rails/solid_cable/releases)
- [Commits](rails/solid_cable@v3.0.3...v3.0.4)

---
updated-dependencies:
- dependency-name: solid_cable
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -531,7 +531,7 @@ GEM
       rexml (~> 3.2)
       rubocop (>= 1.0, < 2.0)
       slim (>= 3.0, < 6.0)
-    solid_cable (3.0.3)
+    solid_cable (3.0.4)
       actioncable (>= 7.2)
       activejob (>= 7.2)
       activerecord (>= 7.2)