Techdebt: Lock VPC service collection to remove race condition

[bblommers]

Fixes #7440

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.80%. Comparing base (9aef694) to head (7b2d476).
Report is 93 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7453      +/-   ##
==========================================
- Coverage   95.88%   95.80%   -0.08%     
==========================================
  Files         843      849       +6     
  Lines       82578    83720    +1142     
==========================================
+ Hits        79178    80208    +1030     
- Misses       3400     3512     +112     

Flag	Coverage Δ
servertests	32.31% <10.52%> (-0.22%)	⬇️
unittests	95.77% <100.00%> (-0.08%)	⬇️

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