Bump Skopeo to v1.16.0

Bump Skopeo to v1.16.0 in preparation for
RHEL 9.5/10.0 Beta and Podman's bump to v5.2

[NO NEW TESTS NEEDED]

Signed-off-by: tomsweeneyredhat <[email protected]>

Author: TomSweeneyRedHat

version/version.go

@@ -1,4 +1,4 @@
 package version
 
 // Version is the version of the build.
-const Version = "1.16.0-dev"
+const Version = "1.16.0"