Bump erb from 6.0.2 to 6.0.4 in /driver/riverqueue-activerecord (#62)

Author: dependabot[bot]

driver/riverqueue-activerecord/Gemfile.lock

@@ -45,7 +45,7 @@ GEM
     diff-lcs (1.6.2)
     docile (1.4.1)
     drb (2.2.3)
-    erb (6.0.2)
+    erb (6.0.4)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     io-console (0.8.2)