Add groupName attribute to v2 template where it's needed (part 1)

[akashorabek]

No description provided.

[Amar3tto]

PR is ready for review

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.89%. Comparing base (aecc881) to head (51d2c92).
Report is 200 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1539      +/-   ##
============================================
+ Coverage     40.42%   40.89%   +0.46%     
- Complexity     2782     2801      +19     
============================================
  Files           750      738      -12     
  Lines         42568    42796     +228     
  Branches       4555     4577      +22     
============================================
+ Hits          17207    17500     +293     
+ Misses        23880    23790      -90     
- Partials       1481     1506      +25     

Components	Coverage Δ
spanner-templates	59.65% <46.02%> (+0.71%)	⬆️
spanner-import-export	65.30% <ø> (-0.29%)	⬇️
spanner-live-forward-migration	73.58% <91.07%> (+4.47%)	⬆️
spanner-live-reverse-replication	48.42% <89.13%> (+0.40%)	⬆️
spanner-bulk-migration	77.69% <44.17%> (-2.48%)	⬇️

Files	Coverage Δ
...d/teleport/v2/templates/AzureEventhubToPubsub.java	7.89% <ø> (ø)
...cloud/teleport/v2/templates/BigQueryToParquet.java	1.63% <ø> (ø)
...ort/v2/templates/BigtableChangeStreamsToHBase.java	0.00% <ø> (ø)
...dc/applier/CdcToBigQueryChangeApplierPipeline.java	0.00% <ø> (ø)
...e/cloud/teleport/v2/transforms/WriteToGCSAvro.java	18.75% <ø> (ø)
...loud/teleport/v2/transforms/WriteToGCSParquet.java	13.04% <ø> (ø)
...e/cloud/teleport/v2/transforms/WriteToGCSText.java	17.14% <ø> (ø)
...ort/v2/templates/DataplexFileFormatConversion.java	75.75% <ø> (ø)
...ud/teleport/v2/templates/DataStreamToBigQuery.java	0.00% <ø> (ø)
...ud/teleport/v2/templates/DataStreamToPostgres.java	0.00% <ø> (ø)
... and 9 more

... and 46 files with indirect coverage changes