Azure blob storage support (#30995)

This PR implemented object storages(LFS/Packages/Attachments and etc.)
for Azure Blob Storage. It depends on azure official golang SDK and can
support both the azure blob storage cloud service and azurite mock
server.

Replace #25458
Fix #22527 

- [x] CI Tests
- [x] integration test, MSSQL integration tests will now based on
azureblob
  - [x] unit test 
- [x] CLI Migrate Storage
- [x] Documentation for configuration added

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TODO (other PRs):
- [ ] Improve performance of `blob download`.

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Co-authored-by: yp05327 <576951401@qq.com>

routers/web/repo/actions/view.go

@@ -625,7 +625,7 @@ func ArtifactsDownloadView(ctx *context_module.Context) {
 	// The v4 backend enshures ContentEncoding is set to "application/zip", which is not the case for the old backend
 	if len(artifacts) == 1 && artifacts[0].ArtifactName+".zip" == artifacts[0].ArtifactPath && artifacts[0].ContentEncoding == "application/zip" {
 		art := artifacts[0]
-		if setting.Actions.ArtifactStorage.MinioConfig.ServeDirect {
+		if setting.Actions.ArtifactStorage.ServeDirect() {
 			u, err := storage.ActionsArtifacts.URL(art.StoragePath, art.ArtifactPath)
 			if u != nil && err == nil {
 				ctx.Redirect(u.String())