Update ghost

Changes:

- docker-library/ghost@35ad2d4: Update to 5.86.1, ghost-cli 1.26.0
- docker-library/ghost@230753a: Merge pull request docker-library/ghost#417 from infosiftr/su-noexec
- docker-library/ghost@b9cd69e: Update to 5.86.0, ghost-cli 1.26.0

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: 5.85.2, 5.85, 5, latest
+Tags: 5.86.1, 5.86, 5, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: f7fb70a1525f7856d16542efe916bcb809cff366
+GitCommit: 35ad2d4a0bc0a0609f14785b6ec8390311553717
 Directory: 5/debian
 
-Tags: 5.85.2-alpine, 5.85-alpine, 5-alpine, alpine
+Tags: 5.86.1-alpine, 5.86-alpine, 5-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: f7fb70a1525f7856d16542efe916bcb809cff366
+GitCommit: 35ad2d4a0bc0a0609f14785b6ec8390311553717
 Directory: 5/alpine