Update ghost

Changes:

- https://github.com/docker-library/ghost/commit/1686d6e: Update to 3.20.1, ghost-cli 1.14.1

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: 3.20.0, 3.20, 3, latest
+Tags: 3.20.1, 3.20, 3, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: f384c22276f6defd931b07cd27d364c75cb6debf
+GitCommit: 1686d6e3a4344fce6c5dab0928c1280f1444e469
 Directory: 3/debian
 
-Tags: 3.20.0-alpine, 3.20-alpine, 3-alpine, alpine
+Tags: 3.20.1-alpine, 3.20-alpine, 3-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: f384c22276f6defd931b07cd27d364c75cb6debf
+GitCommit: 1686d6e3a4344fce6c5dab0928c1280f1444e469
 Directory: 3/alpine
 
 Tags: 2.38.2, 2.38, 2