Bump github.com/docker/docker (#152)

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 28.0.2+incompatible to 28.0.4+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Commits](moby/moby@v28.0.2...v28.0.4)

---
updated-dependencies:
- dependency-name: github.com/docker/docker
  dependency-version: 28.0.4+incompatible
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/UCLALibrary/validation-service
 go 1.24.2
 
 require (
-	github.com/docker/docker v28.0.2+incompatible
+	github.com/docker/docker v28.0.4+incompatible
 	github.com/getkin/kin-openapi v0.131.0
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/oapi-codegen/echo-middleware v1.0.2

go.sum

@@ -21,8 +21,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/docker v28.0.2+incompatible h1:9BILleFwug5FSSqWBgVevgL3ewDJfWWWyZVqlDMttE8=
-github.com/docker/docker v28.0.2+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v28.0.4+incompatible h1:JNNkBctYKurkw6FrHfKqY0nKIDf5nrbxjVBtS+cdcok=
+github.com/docker/docker v28.0.4+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
 github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=