Update ghost

Changes:

- docker-library/ghost@0c9978c: Update to 5.121.0, ghost-cli 1.27.0

Author: docker-library-bot

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: 5.120.4, 5.120, 5, latest
+Tags: 5.121.0, 5.121, 5, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: c1d40a5e43bd632dfa2adfc55f444e0f3257c98f
+GitCommit: 0c9978cf2491877e60e250866c2575e694bdde04
 Directory: 5/debian
 
-Tags: 5.120.4-alpine, 5.120-alpine, 5-alpine, alpine
+Tags: 5.121.0-alpine, 5.121-alpine, 5-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: c1d40a5e43bd632dfa2adfc55f444e0f3257c98f
+GitCommit: 0c9978cf2491877e60e250866c2575e694bdde04
 Directory: 5/alpine