add delta lake to iceberg blueprint and IT

[derrickaw]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 56.19%. Comparing base (245afa4) to head (d642c4b).

Files with missing lines	Patch %	Lines
...pache/beam/it/gcp/dataflow/DirectRunnerClient.java	0.00%	1 Missing ⚠️

❌ Your patch check has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4103      +/-   ##
============================================
+ Coverage     56.18%   56.19%   +0.01%     
- Complexity     6887     7343     +456     
============================================
  Files          1126     1126              
  Lines         68766    68766              
  Branches       7785     7785              
============================================
+ Hits          38635    38646      +11     
+ Misses        27633    27627       -6     
+ Partials       2498     2493       -5     

Components	Coverage Δ
spanner-templates	87.53% <ø> (ø)
spanner-import-export	69.02% <ø> (+0.16%)	⬆️
spanner-live-forward-migration	89.29% <ø> (ø)
spanner-live-reverse-replication	83.48% <ø> (ø)
spanner-bulk-migration	92.14% <ø> (ø)
gcs-spanner-dv	88.58% <ø> (ø)

Files with missing lines	Coverage Δ
...pache/beam/it/gcp/dataflow/DirectRunnerClient.java	0.00% <0.00%> (ø)

... and 8 files with indirect coverage changes

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