Update ghost

Changes:

- https://github.com/docker-library/ghost/commit/c88277b: Merge pull request https://github.com/docker-library/ghost/pull/254 from infosiftr/node-14

library/ghost

@@ -6,12 +6,12 @@ GitRepo: https://github.com/docker-library/ghost.git
 
 Tags: 4.2.0, 4.2, 4, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: fbf749ae2b8633673ffdc5b97e8e17e4974687aa
+GitCommit: c88277bcc3a8df36d451b0e862563f2d04d462d8
 Directory: 4/debian
 
 Tags: 4.2.0-alpine, 4.2-alpine, 4-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: fbf749ae2b8633673ffdc5b97e8e17e4974687aa
+GitCommit: c88277bcc3a8df36d451b0e862563f2d04d462d8
 Directory: 4/alpine
 
 Tags: 3.42.4, 3.42, 3