feat: use service account for tiled insertion

[ZohebShaikh]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 54.83871% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.58%. Comparing base (fe35430) to head (ede4f0c).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/blueapi/service/authentication.py	41.17%	10 Missing ⚠️
src/blueapi/core/context.py	25.00%	3 Missing ⚠️
src/blueapi/service/interface.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1398      +/-   ##
==========================================
- Coverage   95.03%   94.58%   -0.46%     
==========================================
  Files          43       43              
  Lines        2779     2806      +27     
==========================================
+ Hits         2641     2654      +13     
- Misses        138      152      +14     

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