fix: migration typo

[hperl]

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 #3453 (14bad47) into master (3ea014f) will increase coverage by 0.06%.
The diff coverage is 100.00%.

❗ Current head 14bad47 differs from pull request most recent head 6d414b3. Consider uploading reports for the commit 6d414b3 to get more accurate results

@@            Coverage Diff             @@
##           master    #3453      +/-   ##
==========================================
+ Coverage   76.74%   76.81%   +0.06%     
==========================================
  Files         123      123              
  Lines        9022     9069      +47     
==========================================
+ Hits         6924     6966      +42     
- Misses       1657     1660       +3     
- Partials      441      443       +2     

Impacted Files	Coverage Δ
oauth2/handler.go	66.50% <100.00%> (ø)
flow/flow.go	92.17% <0.00%> (-1.01%)	⬇️

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