chore(rdb): add support for fast retries with cassettes

[remyleone]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1197 (c6dd533) into master (7745567) will not change coverage.
The diff coverage is 0.00%.

@@          Coverage Diff           @@
##           master   #1197   +/-   ##
======================================
  Coverage    1.52%   1.52%           
======================================
  Files          95      95           
  Lines       15401   15401           
======================================
  Hits          235     235           
  Misses      15143   15143           
  Partials       23      23           

Impacted Files	Coverage Δ
scaleway/helpers_rdb.go	21.38% <0.00%> (-0.42%)	⬇️
scaleway/resource_rdb_acl.go	0.00% <0.00%> (ø)
scaleway/resource_rdb_database.go	4.19% <0.00%> (+0.02%)	⬆️
scaleway/resource_rdb_instance.go	0.00% <0.00%> (ø)
scaleway/resource_rdb_privilege.go	0.00% <0.00%> (ø)
scaleway/resource_rdb_user.go	0.00% <0.00%> (ø)

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