feat: anyware hook retries

[jasonkuhrt]

will close #878

• [x] Anyware Retrying Extension types
• [x] Anyware Retrying Extension type tests
• [x] Configuration for user providing an inline retrying extension

[jasonkuhrt]

Went in a few circles on this. But figured things out. Left to do now:

1. Anyware Retrying Extension types
2. Anyware Retrying Extension type tests
3. Configuration for user providing an inline retrying extension