Update ghost

Changes:

- https://github.com/docker-library/ghost/commit/5fa3d17: Update to 4.4.0, ghost-cli 1.16.3

library/ghost

@@ -4,14 +4,14 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/ghost.git
 
-Tags: 4.3.3, 4.3, 4, latest
+Tags: 4.4.0, 4.4, 4, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: 24abc83b36c13caa3d96731f9fa7f41a0d215ba9
+GitCommit: 5fa3d17627f69ef2060cb11a100442c7b7699142
 Directory: 4/debian
 
-Tags: 4.3.3-alpine, 4.3-alpine, 4-alpine, alpine
+Tags: 4.4.0-alpine, 4.4-alpine, 4-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: b18246e50008cec5d9e0a8bbf3d3e03a438f4ba2
+GitCommit: 5fa3d17627f69ef2060cb11a100442c7b7699142
 Directory: 4/alpine
 
 Tags: 3.42.5, 3.42, 3