Update cassandra

Changes:

- https://github.com/docker-library/cassandra/commit/e5b7ed4: Update to 3.11.5
- https://github.com/docker-library/cassandra/commit/006818b: Update to 3.0.19
- https://github.com/docker-library/cassandra/commit/2852d6a: Update to 2.2.15

library/cassandra

@@ -9,17 +9,17 @@ Architectures: amd64, arm64v8, i386
 GitCommit: f98d3fc5282a99cdfe1ec8aa808d6313080137c0
 Directory: 2.1
 
-Tags: 2.2.14, 2.2, 2
+Tags: 2.2.15, 2.2, 2
 Architectures: amd64, i386
-GitCommit: f98d3fc5282a99cdfe1ec8aa808d6313080137c0
+GitCommit: 2852d6ace9623301bd831e38a6993a73f0a640a1
 Directory: 2.2
 
-Tags: 3.0.18, 3.0
+Tags: 3.0.19, 3.0
 Architectures: amd64, arm64v8, i386, ppc64le
-GitCommit: f98d3fc5282a99cdfe1ec8aa808d6313080137c0
+GitCommit: 006818b41131828443e1e192a7ad94a84fe668b9
 Directory: 3.0
 
-Tags: 3.11.4, 3.11, 3, latest
+Tags: 3.11.5, 3.11, 3, latest
 Architectures: amd64, arm64v8, i386, ppc64le
-GitCommit: f98d3fc5282a99cdfe1ec8aa808d6313080137c0
+GitCommit: e5b7ed497ff74587560682dd4c6a2e9b01f818d9
 Directory: 3.11