fix: comply with new fosite persister interface

[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 green light (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 #2990 (9525e77) into master (d9d0376) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2990   +/-   ##
=======================================
  Coverage   79.41%   79.42%           
=======================================
  Files         112      112           
  Lines        7886     7888    +2     
=======================================
+ Hits         6263     6265    +2     
  Misses       1222     1222           
  Partials      401      401           

Impacted Files	Coverage Δ
driver/config/provider.go	85.96% <0.00%> (ø)
persistence/sql/persister_oauth2.go	81.85% <0.00%> (+0.15%)	⬆️

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