Use multiple value insert for pins, and correct multi-row insert enablement for PSQL

[peterbroadhurst]

No description provided.

[codecov-commenter]

Codecov Report

Merging #598 (2e244da) into main (491c272) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head 2e244da differs from pull request most recent head d25da79. Consider uploading reports for the commit d25da79 to get more accurate results

@@             Coverage Diff             @@
##              main     #598      +/-   ##
===========================================
- Coverage   100.00%   99.98%   -0.02%     
===========================================
  Files          305      306       +1     
  Lines        17983    18058      +75     
===========================================
+ Hits         17983    18055      +72     
- Misses           0        2       +2     
- Partials         0        1       +1     

Impacted Files	Coverage Δ
internal/assets/manager.go	100.00% <100.00%> (ø)
internal/batch/batch_manager.go	100.00% <100.00%> (ø)
internal/batch/batch_processor.go	100.00% <100.00%> (ø)
internal/broadcast/definition.go	100.00% <100.00%> (ø)
internal/broadcast/manager.go	100.00% <100.00%> (ø)
internal/broadcast/message.go	100.00% <100.00%> (ø)
internal/broadcast/operations.go	100.00% <100.00%> (ø)
internal/config/config.go	100.00% <100.00%> (ø)
internal/contracts/manager.go	100.00% <100.00%> (ø)
internal/data/data_manager.go	100.00% <100.00%> (ø)
... and 20 more

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[peterbroadhurst]

going to collapse this into #599