docs(azblob): correct auth to Azure storage service (#4439)

I corected documentation for upload blobs to azure Storage Service from
[used
library](53ccd8db26/blob/azureblob/azureblob.go (L30)).

USERS.md

@@ -80,6 +80,7 @@ Here's a running list of some organizations using GoReleaser[^1]:
 1. [Zitatel](https://zitadel.com)
 1. [pdfcpu](https://pdfcpu.io)
 1. [prestd](https://prestd.com)
+1. [Rixo](https://www.rixo.cz)
 
 Feel free to [add yours](https://github.com/goreleaser/goreleaser/edit/main/USERS.md)!
 

www/docs/customization/blob.md

@@ -108,11 +108,18 @@ chain in the following order:
 
 ### Azure Blob Provider
 
-It supports authentication only with
-[environment variables](https://docs.microsoft.com/en-us/azure/storage/common/storage-azure-cli#set-default-azure-storage-account-environment-variables):
+```yaml
+blobs:
+  - provider: azblob
+    bucket: releases?storage_account=myazurestorage
+```
 
-- `AZURE_STORAGE_ACCOUNT`
-- `AZURE_STORAGE_KEY` or `AZURE_STORAGE_SAS_TOKEN`
+Storage account is set over URL param `storage_account` in `bucket` or in environment variable `AZURE_STORAGE_ACCOUNT`
+
+It supports authentication with
+- [environment variables](https://docs.microsoft.com/en-us/azure/storage/common/storage-azure-cli#set-default-azure-storage-account-environment-variables):
+  - `AZURE_STORAGE_KEY` or `AZURE_STORAGE_SAS_TOKEN`
+- [default Azure credential](https://learn.microsoft.com/en-us/azure/developer/go/azure-sdk-authentication-service-principal)
 
 ### [GCS Provider](https://cloud.google.com/docs/authentication/production)