ref(similarity-embeddings): Update backfill script

[jangjodi]

Update the seer grouping record backfill script in the following ways:

• Add only_delete flag that makes the backfill script only delete seer grouping records and the seer similarity data from the group metadata
• Remove dry_run seer grouping record deletion
• Add logging for reaching the end of the group id list in the backfill
• Add order_by id in the group filter

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.86%. Comparing base (f1e0f4f) to head (276f5ba). Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #71268   +/-   ##
=======================================
  Coverage   77.86%   77.86%           
=======================================
  Files        6534     6534           
  Lines      291150   291167   +17     
  Branches    50379    50384    +5     
=======================================
+ Hits       226695   226710   +15     
+ Misses      58222    58220    -2     
- Partials     6233     6237    +4     

Files	Coverage Δ
...ject_backfill_similar_issues_embeddings_records.py	93.33% <100.00%> (+0.74%)	:arrow_up:
src/sentry/seer/utils.py	93.15% <ø> (ø)
src/sentry/tasks/backfill_seer_grouping_records.py	92.27% <100.00%> (+0.52%)	:arrow_up:

... and 7 files with indirect coverage changes