GCS related configuration moved to storage package

[mkuthan]

Closes #94

• DLQ storage related configuration in the storage package
• Fix "write on GCS as two JSON files if there are two windows" DLQ test scenario

[codecov]

Codecov Report

Merging #95 (c3cf55a) into main (58684a0) will increase coverage by 0.74%.
The diff coverage is 67.85%.

@@             Coverage Diff              @@
##               main      #95      +/-   ##
============================================
+ Coverage     53.04%   53.78%   +0.74%     
- Complexity       97      106       +9     
============================================
  Files            77       78       +1     
  Lines           986      991       +5     
  Branches        123      120       -3     
============================================
+ Hits            523      533      +10     
+ Misses          393      387       -6     
- Partials         70       71       +1     

Files Changed	Coverage Δ
...ng/infrastructure/bigquery/ScioContextSyntax.scala	85.71% <ø> (ø)
.../infrastructure/diagnostic/SCollectionSyntax.scala	100.00% <ø> (ø)
...ocessing/infrastructure/dlq/DlqConfiguration.scala	76.19% <ø> (-0.74%)	⬇️
...sing/infrastructure/pubsub/SCollectionSyntax.scala	93.75% <ø> (ø)
...cessing/infrastructure/storage/StorageBucket.scala	0.00% <0.00%> (ø)
...reamprocessing/shared/scio/SCollectionSyntax.scala	92.85% <ø> (ø)
...reamprocessing/test/scio/TimestampedMatchers.scala	0.00% <0.00%> (ø)
...cessing/infrastructure/storage/StorageParams.scala	40.90% <37.50%> (ø)
.../infrastructure/storage/StorageConfiguration.scala	83.33% <83.33%> (ø)
...cessing/infrastructure/dlq/SCollectionSyntax.scala	94.73% <100.00%> (+1.40%)	⬆️

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