feat: add support for request payloads using gzip content-encoding

[atzoum]

Description

Adding support for accepting requests using a gzipped body along with the appropriate Content-Encoding: gzip header.
Compressed request bodies are being uncompressed lazily and in a streaming fashion.

Notion Ticket

Link

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Base: 46.85% // Head: 46.89% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (d0e8c6b) compared to base (9f006e5).
Patch coverage: 80.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2741      +/-   ##
==========================================
+ Coverage   46.85%   46.89%   +0.04%     
==========================================
  Files         298      300       +2     
  Lines       48943    49099     +156     
==========================================
+ Hits        22931    23026      +95     
- Misses      24555    24609      +54     
- Partials     1457     1464       +7     

Impacted Files	Coverage Δ
regulation-worker/internal/delete/api/api.go	67.53% <57.14%> (-13.39%)	⬇️
services/oauth/oauth.go	53.88% <76.92%> (-9.11%)	⬇️
middleware/uncompress.go	85.00% <85.00%> (ø)
gateway/gateway.go	63.32% <100.00%> (+0.03%)	⬆️
regulation-worker/cmd/main.go	68.25% <100.00%> (+0.51%)	⬆️
jobsdb/unionQueryLegacy.go	70.49% <0.00%> (-4.92%)	⬇️
services/db/recovery.go	54.76% <0.00%> (-1.20%)	⬇️
warehouse/bigquery/bigquery.go	1.11% <0.00%> (-0.01%)	⬇️
... and 6 more

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