docs: correct image sorting order for reference docs
This commit displays images in reference docs in the correct order. Prior to this fix, the images were listed as 4.0.0, 4.0.1, and 4.0.2, but they should be sorted in reverse order (4.0.2, 4.0.1, 4.0.0).
The changes made in this PR resolve the issue introduced in https://github.com/scylladb/scylladb/pull/16942 when common functions for Azure and GCP were extracted into a separate file without reversing the list as defined in the original extension: https://github.com/scylladb/scylladb/pull/16942/files#diff-b8f6253ea8fdcca681deb556ca61cd1f3feb3b7aeb7e856b145ef9b685aad460L185
Closes scylladb/scylladb#17185
f14edf3543