Bump model-distribution to point at main branch

Signed-off-by: Emily Casey <emily.casey@docker.com>

Author: ekcasey

go.mod

@@ -5,7 +5,7 @@ go 1.23.7
 require (
 	github.com/containerd/containerd/v2 v2.0.4
 	github.com/containerd/platforms v1.0.0-rc.1
-	github.com/docker/model-distribution v0.0.0-20250627152504-c0c68acaabd5
+	github.com/docker/model-distribution v0.0.0-20250627163720-aff34abcf3e0
 	github.com/google/go-containerregistry v0.20.3
 	github.com/jaypipes/ghw v0.16.0
 	github.com/mattn/go-shellwords v1.0.12

go.sum

@@ -42,6 +42,8 @@ github.com/docker/model-distribution v0.0.0-20250618082521-fb5c8332c857 h1:2Ivvp
 github.com/docker/model-distribution v0.0.0-20250618082521-fb5c8332c857/go.mod h1:dThpO9JoG5Px3i+rTluAeZcqLGw8C0qepuEL4gL2o/c=
 github.com/docker/model-distribution v0.0.0-20250627152504-c0c68acaabd5 h1:4qs7OwrJJQE1de5kbHg83gm5rmCRQzAwAp8gG/3cLY8=
 github.com/docker/model-distribution v0.0.0-20250627152504-c0c68acaabd5/go.mod h1:dThpO9JoG5Px3i+rTluAeZcqLGw8C0qepuEL4gL2o/c=
+github.com/docker/model-distribution v0.0.0-20250627163720-aff34abcf3e0 h1:bve4JZI06Admw+NewtPfrpJXsvRnGKTQvBOEICNC1C0=
+github.com/docker/model-distribution v0.0.0-20250627163720-aff34abcf3e0/go.mod h1:dThpO9JoG5Px3i+rTluAeZcqLGw8C0qepuEL4gL2o/c=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=