Updated default ryuk image to testcontainers/ryuk:0.3.3.

[silh]

Updated default reaper image to a newer version.
Old one didn't have arm version, this one does.

[mdelapenya]

Thanks for adding this! Waiting for the CI for final review 👋

[codecov]

Codecov Report

Merging #376 (1f92709) into master (cad4370) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #376   +/-   ##
=======================================
  Coverage   62.09%   62.09%           
=======================================
  Files          15       15           
  Lines        1042     1042           
=======================================
  Hits          647      647           
+ Misses        293      292    -1     
- Partials      102      103    +1     

Impacted Files	Coverage Δ
reaper.go	80.00% <ø> (ø)
docker.go	64.90% <0.00%> (ø)

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[gianarb]

Thanks a lot!