cluster: add pre-generate registrations to lock v1.7

[dB2510]

Adds pre-generate validator builder registrations to lock file v1.7.0.

category: feature
ticket: #2172

[codecov]

Codecov Report

Patch coverage: 72.92% and project coverage change: +0.11 🎉

Comparison is base (dd96155) 53.48% compared to head (15b1f37) 53.60%.

❗ Current head 15b1f37 differs from pull request most recent head 9d727a1. Consider uploading reports for the commit 9d727a1 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2205      +/-   ##
==========================================
+ Coverage   53.48%   53.60%   +0.11%     
==========================================
  Files         185      186       +1     
  Lines       24082    24237     +155     
==========================================
+ Hits        12881    12992     +111     
- Misses       9606     9637      +31     
- Partials     1595     1608      +13     

Impacted Files	Coverage Δ
app/featureset/featureset.go	100.00% <ø> (ø)
cluster/version.go	100.00% <ø> (ø)
dkg/dkg.go	57.36% <63.38%> (-0.08%)	⬇️
cluster/lock.go	60.45% <68.88%> (+0.99%)	⬆️
cluster/ssz.go	68.08% <69.81%> (-0.38%)	⬇️
cluster/registration.go	87.50% <87.50%> (ø)
cluster/distvalidator.go	91.50% <91.17%> (-0.39%)	⬇️
cluster/definition.go	66.93% <100.00%> (ø)

... and 6 files with indirect coverage changes

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[dB2510]

Thanks @gsora for the pair programming session 🚀