Update the documented fips-proxy image tag to latest 1.1.23 release

[jeremy-hanna]

What does this PR do?

fips-proxy 1.1.23 was released and this PR updates the image tag to this latest release

Motivation

What inspired you to submit this pull request?

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

no

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label
• All commits are signed (see: signing commits)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.91%. Comparing base (953ade2) to head (adf4e2b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2951   +/-   ##
=======================================
  Coverage   40.91%   40.91%           
=======================================
  Files         324      324           
  Lines       28743    28743           
=======================================
  Hits        11760    11760           
  Misses      16129    16129           
  Partials      854      854           

Flag	Coverage Δ
unittests	40.91% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
pkg/images/images.go	97.34% <ø> (ø)

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