test: use personal docker registry

molecule/default/molecule.yml

@@ -3,7 +3,7 @@ driver:
   name: docker
 platforms:
   - name: debian12
-    image: nishiki/debian12:molecule
+    image: code.waks.be/nishiki/molecule:debian12
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
@@ -12,7 +12,7 @@ platforms:
     capabilities:
       - SYS_ADMIN
   - name: debian11
-    image: nishiki/debian11:molecule
+    image: code.waks.be/nishiki/molecule:debian11
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw