feat!: VEC-273 0.9.1 support

[jdogmcsteezy]

• replace ScheduleDelay with Schedule
• replace merge.Parallel with merge.IndexParallel
• add merge.ReIndexParallel
• add applyDefaults to IndexList and IndexGet

[jdogmcsteezy]

Can be reviewed now. Will need to change the image used in the docker compose files after AVS 0.9.1 is released

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 15.30249% with 238 lines in your changes missing coverage. Please review.

Project coverage is 21.33%. Comparing base (b7ab11d) to head (49d292f).

Files with missing lines	Patch %	Lines
protos/index.pb.go	2.08%	188 Missing ⚠️
protos/index_grpc.pb.go	0.00%	20 Missing ⚠️
client.go	64.00%	18 Missing ⚠️
protos/types.pb.go	0.00%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #11      +/-   ##
==========================================
+ Coverage   21.19%   21.33%   +0.14%     
==========================================
  Files          18       18              
  Lines        5520     5717     +197     
==========================================
+ Hits         1170     1220      +50     
- Misses       4264     4408     +144     
- Partials       86       89       +3     

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