GH-249 leveraging the retry-after header support of Feign in our IOErrorDecoder

[francoisledroff]

Description

GH-249 leveraging the retry-after header support of Feign in our IOErrorDecoder

Related Issue

• core: fix retry when 429 http response from Adobe APIs #249
• related as well :
  • GH-150: adjust feign retryer configuration #151
  • GH-150: adjust feign retryer configuration (#151) #215

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.