Fix TestArtifactoryMultipartUpload in Windows

[x] All tests passed. If this feature is not already covered by the tests, I added new tests.
[x] All static analysis checks passed.
[x] This pull request is on the dev branch.
[x] I used gofmt for formatting the code before submitting the pull request.

Fix the following error in TestArtifactoryMultipartUpload:

    artifactorymultipartupload_test.go:82: 
            Error Trace:    D:/a/jfrog-client-go/jfrog-client-go/tests/artifactorymultipartupload_test.go:82
                                        D:/a/jfrog-client-go/jfrog-client-go/tests/artifactorymultipartupload_test.go:75
            Error:          Received unexpected error:
                            remove C:\Users\RUNNER~1\AppData\Local\Temp\jfrog.cli.temp.-1715089532-1090768605: The process cannot access the file because it is being used by another process.
            Test:           TestArtifactoryMultipartUpload/multipartUpload

jfrog / jfrog-client-go

Fix TestArtifactoryMultipartUpload in Windows #949

[x] I used gofmt for formatting the code before submitting the pull request.