chore: update copyrights for 2023

[David-Wobrock]

Simply running make format locally :)

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 #1048 (5deb070) into master (f1819fb) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1048   +/-   ##
=======================================
  Coverage   78.08%   78.08%           
=======================================
  Files          83       83           
  Lines        3993     3993           
=======================================
  Hits         3118     3118           
  Misses        597      597           
  Partials      278      278           

Impacted Files	Coverage Δ
api/credential.go	75.60% <ø> (ø)
api/decision.go	95.55% <ø> (ø)
api/health.go	0.00% <ø> (ø)
api/rule.go	52.17% <ø> (ø)
cmd/credentials.go	100.00% <ø> (ø)
cmd/credentials_generate.go	100.00% <ø> (ø)
cmd/health.go	50.00% <ø> (ø)
cmd/health_alive.go	77.77% <ø> (ø)
cmd/health_ready.go	77.77% <ø> (ø)
cmd/helpers.go	81.81% <ø> (ø)
... and 73 more

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