feat: improving minio and docker tests

[caarlos0]

using ory/dockertest to simplify integration tests

[codecov]

Codecov Report

Merging #3642 (521e9cb) into main (583bca5) will decrease coverage by 0.07%.
The diff coverage is 41.17%.

❗ Current head 521e9cb differs from pull request most recent head 719a8fe. Consider uploading reports for the commit 719a8fe to get more accurate results

@@            Coverage Diff             @@
##             main    #3642      +/-   ##
==========================================
- Coverage   83.63%   83.56%   -0.08%     
==========================================
  Files         117      118       +1     
  Lines        9839     9856      +17     
==========================================
+ Hits         8229     8236       +7     
- Misses       1299     1306       +7     
- Partials      311      314       +3     

Impacted Files	Coverage Δ
internal/testlib/docker.go	41.17% <41.17%> (ø)

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