[build] add gstreamer to linux app build

[gnunicorn]

No description provided.

[github-actions]

Hey there 👋,
and thanks for the contribution. But it seems like you forgot to

• 📰 Add a markdown file in .changes/ explaining what changed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.97%. Comparing base (aaa8a17) to head (df66247).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3173      +/-   ##
==========================================
- Coverage   46.97%   46.97%   -0.01%     
==========================================
  Files         949      949              
  Lines       57940    57940              
==========================================
- Hits        27219    27218       -1     
- Misses      30721    30722       +1     

Flag	Coverage Δ
integration-test	58.03% <ø> (-0.01%)	⬇️
unittest	39.66% <ø> (ø)

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