Update cassandra

Changes:

- https://github.com/docker-library/cassandra/commit/b4b0579: Update 4.0 to 4.0.18

library/cassandra

@@ -14,9 +14,9 @@ Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
 GitCommit: 8b125f8e4cb082768e6d299130722ed3547e2206
 Directory: 4.1
 
-Tags: 4.0.17, 4.0, 4.0.17-jammy, 4.0-jammy
+Tags: 4.0.18, 4.0, 4.0.18-jammy, 4.0-jammy
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: 4acdd8cbbc6f21083e9b8176452a2728fa08f2c7
+GitCommit: b4b0579f68b8dfbffb61a438c8aaad14fccf44c4
 Directory: 4.0
 
 Tags: 3.11.19, 3.11, 3, 3.11.19-jammy, 3.11-jammy, 3-jammy