fix(deps): update module github.com/docker/docker to v28.5.0+incompatible

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/docker/docker	v28.4.0+incompatible -> v28.5.0+incompatible

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Release Notes

docker/docker (github.com/docker/docker)

v28.5.0+incompatible

Compare Source

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Configuration

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: build/go.sum

Command failed: go get -t ./...
go: downloading dagger.io/dagger v0.18.17
go: downloading github.com/docker/docker v28.5.0+incompatible
go: go.flipt.io/build imports
	go.flipt.io/build/internal/dagger: cannot find module providing package go.flipt.io/build/internal/dagger

[kodiakhq]

This PR currently has a merge conflict. Please resolve this and then re-add the automerge label.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.87%. Comparing base (f1f2b3b) to head (9a008ad).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4837   +/-   ##
=======================================
  Coverage   63.87%   63.87%           
=======================================
  Files         172      172           
  Lines       17662    17662           
=======================================
  Hits        11282    11282           
  Misses       5705     5705           
  Partials      675      675           

Flag	Coverage Δ
unittests	63.87% <ø> (ø)

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