Update ghost

Changes:

- https://github.com/docker-library/ghost/commit/06b5629: Update to 4.33.1, ghost-cli 1.18.1
- https://github.com/docker-library/ghost/commit/5458720: Update to 4.33.0, ghost-cli 1.18.1
- https://github.com/docker-library/ghost/commit/78e84a6: Update to 3.42.9, ghost-cli 1.18.1

library/ghost

@@ -4,22 +4,22 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/ghost.git
 
-Tags: 4.32.3, 4.32, 4, latest
+Tags: 4.33.1, 4.33, 4, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: 7479132e47ae26b54a988df89fabf706e7bdda27
+GitCommit: 06b5629ed1c9a0ecf184a391dbcdcb722ae3e1d9
 Directory: 4/debian
 
-Tags: 4.32.3-alpine, 4.32-alpine, 4-alpine, alpine
+Tags: 4.33.1-alpine, 4.33-alpine, 4-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: 7479132e47ae26b54a988df89fabf706e7bdda27
+GitCommit: 06b5629ed1c9a0ecf184a391dbcdcb722ae3e1d9
 Directory: 4/alpine
 
-Tags: 3.42.8, 3.42, 3
+Tags: 3.42.9, 3.42, 3
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: 14c6c9dc1673c75472eabd7b545fdf4b8dfcf4df
+GitCommit: 78e84a64cdac72daa98a864575a05e2d15b01cb4
 Directory: 3/debian
 
-Tags: 3.42.8-alpine, 3.42-alpine, 3-alpine
+Tags: 3.42.9-alpine, 3.42-alpine, 3-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: c250070ee52273724da6893574cb3b19c1e1b147
+GitCommit: 78e84a64cdac72daa98a864575a05e2d15b01cb4
 Directory: 3/alpine