out_azure_blob: add service principal auth#11889

Vaibhav-C-S wants to merge 5 commits into

fluent:masterfluent/fluent-bit:masterfrom

Vaibhav-C-S:out-azure-blob-service-principalVaibhav-C-S/fluent-bit:out-azure-blob-service-principalCopy head branch name to clipboard