fix: remove slow queries from update identities

[aeneasr]

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
  confirm that I got the approval (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[codecov]

Codecov Report

Merging #3553 (f4dc84e) into master (8a0e496) will decrease coverage by 0.20%.
The diff coverage is 42.85%.

❗ Current head f4dc84e differs from pull request most recent head 24b551f. Consider uploading reports for the commit 24b551f to get more accurate results

@@            Coverage Diff             @@
##           master    #3553      +/-   ##
==========================================
- Coverage   78.31%   78.12%   -0.20%     
==========================================
  Files         342      341       -1     
  Lines       22869    22818      -51     
==========================================
- Hits        17910    17826      -84     
- Misses       3614     3652      +38     
+ Partials     1345     1340       -5     

Files	Coverage Δ
persistence/sql/identity/persister_identity.go	81.70% <100.00%> (+0.73%)	⬆️
persistence/sql/update/update.go	75.00% <33.33%> (-5.00%)	⬇️

... and 16 files with indirect coverage changes