build(deps): bump com.azure:azure-storage-blob from 12.19.1 to 12.21.1 (#134)

Bumps [com.azure:azure-storage-blob](https://github.com/Azure/azure-sdk-for-java) from 12.19.1 to 12.21.1.
- [Release notes](https://github.com/Azure/azure-sdk-for-java/releases)
- [Commits](Azure/azure-sdk-for-java@azure-storage-blob_12.19.1...azure-storage-blob_12.21.1)

---
updated-dependencies:
- dependency-name: com.azure:azure-storage-blob
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

gradle/libs.versions.toml

@@ -92,7 +92,7 @@ azure-resourcemanager-authorization = { group = "com.azure.resourcemanager", nam
 azure-resourcemanager-datafactory = { group = "com.azure.resourcemanager", name = "azure-resourcemanager-datafactory", version = "1.0.0-beta.22" }
 azure-resourcemanager-keyvault = { group = "com.azure.resourcemanager", name = "azure-resourcemanager-keyvault", version.ref = "azure-rm" }
 azure-resourcemanager-storage = { group = "com.azure.resourcemanager", name = "azure-resourcemanager-storage", version.ref = "azure-rm" }
-azure-storageblob = { group = "com.azure", name = "azure-storage-blob", version = "12.19.1" }
+azure-storageblob = { group = "com.azure", name = "azure-storage-blob", version = "12.21.1" }
 
 # AWS dependencies
 aws-sts = { module = "software.amazon.awssdk:sts", version.ref = "aws" }