- fix s3::range max value for object size which is 50TiB and not 5.
- refactor constants to make it accessible for all interested parties, also reuse these constants in tests
No need to backport, doubt we will encounter an object larger than 5TiB
Closesscylladb/scylladb#28601
* github.com:scylladb/scylladb:
s3_client: reorganize tests in part_size_calculation_test
s3_client: switch using s3 limits constants in tests
s3_client: fix the s3::range max object size
s3_client: remove "aws" prefix from object limits constants
s3_client: make s3 object limits accessible