chore: Fix typo in README

[Stoakes]

Fix typo in README

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

It ain't much, but it's honest work 😄

[codecov]

Codecov Report

Merging #2411 (1634055) into master (a42a0f7) will decrease coverage by 0.20%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #2411      +/-   ##
==========================================
- Coverage   76.62%   76.41%   -0.21%     
==========================================
  Files         315      316       +1     
  Lines       17358    17404      +46     
==========================================
  Hits        13300    13300              
- Misses       3122     3168      +46     
  Partials      936      936              

Impacted Files	Coverage Δ
selfservice/strategy/oidc/provider_config.go	35.55% <0.00%> (-1.66%)	⬇️
selfservice/strategy/oidc/provider_netid.go	0.00% <0.00%> (ø)

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[vinckr]

LGTM 😁