Fix: GzipDecoder - add support for responses with content-type 'application/a-gzip' (Apple Connect API)

[ikozhma]

Related: airbytehq/airbyte/#66208

"application/a-gzip" content type is used in Apple Connect API. Apple Connect API docs
Without this fix GzipDecoder fails to decode responses with this content-type.

Summary by CodeRabbit

• Bug Fixes
  • Improved handling of gzip-compressed responses by expanding support for additional compression content types, ensuring better compatibility with various data sources that use gzip encoding.

[coderabbitai]

📝 Walkthrough

Walkthrough

Added "application/a-gzip" to the set of recognized gzip Content-Encoding types in the gzip decoder factory, expanding the response content types that the declarative source parser can handle.

Changes

Cohort / File(s)	Summary
Gzip Content-Type Expansion airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py	Extended the _compressed_response_types set in create_gzip_decoder to recognize "application/a-gzip" in addition to existing gzip-based content types, broadening compatibility with gzip-encoded responses.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adding support for 'application/a-gzip' content-type in GzipDecoder for Apple Connect API compatibility.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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