feat: fully support all s3 pipe feats on blob

[caarlos0]

• added blobs.endpoint config
• make bucket template-able as the docs states
• copied s3 pipe's tests into blob package, all passing
• updated gocloud lib

refs #1223

[codecov-io]

Codecov Report

Merging #1253 into master will increase coverage by 0.1%.
The diff coverage is 81.81%.

@@            Coverage Diff            @@
##           master    #1253     +/-   ##
=========================================
+ Coverage   83.66%   83.77%   +0.1%     
=========================================
  Files          58       58             
  Lines        3342     3346      +4     
=========================================
+ Hits         2796     2803      +7     
+ Misses        463      461      -2     
+ Partials       83       82      -1

Impacted Files	Coverage Δ
pkg/config/config.go	100% <ø> (ø)	⬆️
internal/pipe/blob/blob.go	100% <100%> (+6.06%)	⬆️
internal/pipe/blob/openbucket.go	56.81% <80%> (+5.56%)	⬆️

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[jonfriesen]

fixes #1223
thank-you!

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.