v1.15.2

Package Semaphore:

- Fix issue #182 

Package Encoding/RandReader:

- optimize code
- remplace some pointer by atomic to prevent RACE

Package AWS:

- fix double import with different tag for validator in config model
- apply MR about fix on bucket validator to config AWS model

Other:

- bump dependencies

New Contributors

• @ValentinMorel made their first contribution in #184

Full Changelog: v1.15.1...v1.15.2