[Monorepo] Rename flyteidl

[eapolinario]

Describe your changes

This PR prepares the terrain for moving flyteidl to the monorepo. List of changes:

• Rename the go module and all references to flyteidl in the components
• Similar to how it's done in the other components imported to the monorepo, if we are to let users be able to keep using go get to update flyteidl we need to generate a tag in format flyteidl/vX.Y.Z.

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (d9586b0) 58.98% compared to head (5d7e9a0) 59.31%.
Report is 1 commits behind head on master.

❗ Current head 5d7e9a0 differs from pull request most recent head 7173b4a. Consider uploading reports for the commit 7173b4a to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4166      +/-   ##
==========================================
+ Coverage   58.98%   59.31%   +0.33%     
==========================================
  Files         619      550      -69     
  Lines       52804    39692   -13112     
==========================================
- Hits        31146    23544    -7602     
+ Misses      19174    13828    -5346     
+ Partials     2484     2320     -164     

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Files	Coverage Δ
...atacatalog/pkg/manager/impl/artifact_data_store.go	68.00% <ø> (+8.00%)	⬆️
datacatalog/pkg/manager/impl/artifact_manager.go	70.23% <ø> (+1.13%)	⬆️
datacatalog/pkg/manager/impl/dataset_manager.go	68.69% <ø> (+2.02%)	⬆️
...atacatalog/pkg/manager/impl/reservation_manager.go	81.30% <ø> (+2.84%)	⬆️
datacatalog/pkg/manager/impl/tag_manager.go	70.21% <ø> (+0.56%)	⬆️
datacatalog/pkg/repositories/gormimpl/artifact.go	84.37% <ø> (+1.44%)	⬆️
datacatalog/pkg/repositories/gormimpl/dataset.go	83.72% <ø> (+0.70%)	⬆️
...tacatalog/pkg/repositories/gormimpl/reservation.go	85.96% <ø> (+2.63%)	⬆️
datacatalog/pkg/repositories/gormimpl/sort.go	100.00% <ø> (ø)
datacatalog/pkg/repositories/gormimpl/tag.go	96.42% <ø> (-0.64%)	⬇️
... and 108 more

... and 443 files with indirect coverage changes

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