Update dependency karafka to v2.4.18

Author: renovate[bot]

v2.4-non-rails/Gemfile.lock

@@ -26,7 +26,7 @@ GEM
     ffi (1.17.1-x86_64-linux-gnu)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    karafka (2.4.17)
+    karafka (2.4.18)
       base64 (~> 0.2)
       karafka-core (>= 2.4.4, < 2.5.0)
       karafka-rdkafka (>= 0.17.2)

v2.4-rails/Gemfile.lock

@@ -98,7 +98,7 @@ GEM
     irb (1.14.1)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    karafka (2.4.17)
+    karafka (2.4.18)
       base64 (~> 0.2)
       karafka-core (>= 2.4.4, < 2.5.0)
       karafka-rdkafka (>= 0.17.2)