Upgrade base image to bullseye

library/plone

@@ -7,15 +7,15 @@ GitRepo: https://github.com/plone/plone.docker.git
 
 Tags: 5.2.12-python38, 5.2-python38, 5-python38, python38, 5.2.12, 5.2, 5, latest
 Architectures: amd64, arm64v8
-GitCommit: 7bff8f552f2085dabaf489b77735524d34f52426
+GitCommit: a3551bff4d1a17535ecb18a86f5bf87ebb97c5de
 Directory: 5.2/5.2.12/debian
 
 Tags: 5.2.11-python38, 5.2.11
 Architectures: amd64, arm64v8
-GitCommit: 7bff8f552f2085dabaf489b77735524d34f52426
+GitCommit: a3551bff4d1a17535ecb18a86f5bf87ebb97c5de
 Directory: 5.2/5.2.11/debian
 
 Tags: 5.2.10-python38, 5.2.10
 Architectures: amd64, arm64v8
-GitCommit: 7bff8f552f2085dabaf489b77735524d34f52426
+GitCommit: a3551bff4d1a17535ecb18a86f5bf87ebb97c5de
 Directory: 5.2/5.2.10/debian