Update ghost

Changes:

- https://github.com/docker-library/ghost/commit/a9ee7ee: Update to 5.53.3, ghost-cli 1.24.0
- https://github.com/docker-library/ghost/commit/76510e8: Update to 5.53.2, ghost-cli 1.24.0

library/ghost

@@ -5,12 +5,12 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Austin Burdine <[email protected]> (@acburdine)
 GitRepo: https://github.com/docker-library/ghost.git
 
-Tags: 5.53.1, 5.53, 5, latest
+Tags: 5.53.3, 5.53, 5, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: e61219767f6d836c70ad004244975885e70c049a
+GitCommit: a9ee7ee57aa64f8a55ec138f1e771901af470e70
 Directory: 5/debian
 
-Tags: 5.53.1-alpine, 5.53-alpine, 5-alpine, alpine
+Tags: 5.53.3-alpine, 5.53-alpine, 5-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: e61219767f6d836c70ad004244975885e70c049a
+GitCommit: a9ee7ee57aa64f8a55ec138f1e771901af470e70
 Directory: 5/alpine