Hashicorp Vault Namespace support.

[krishnan-narayanan-partior]

PR Description

Hashicorp enterprise version supports namespaces. This PR allows an easy way to configure Tessera and supplying namespace for hashicorp via Tessera config hashicorp properties.

    "keys": {
      "keyVaultConfigs": [
        {
          "keyVaultType": "HASHICORP",
          "properties": {
            "url": "https://<Vault-Url>",
            "approlePath": "tessera",
            **"namespace": "test"**
          }
        }
      ],
      "keyData": [
        {
          "hashicorpVaultSecretEngineName": "tessera",
          "hashicorpVaultSecretName": "secret1",
          "hashicorpVaultSecretVersion": 1,
          "hashicorpVaultPrivateKeyId": "privateKey",
          "hashicorpVaultPublicKeyId": "publicKey"
        }
      ]
    },

Please note, this change is activated only when namespace is supplied as highlighted above via the tessera config. The code was tested using enterprise version of hashicorp.

Fixed Issue(s)

Documentation

• [ ] I thought about documentation and added the doc-change-required label to this PR if updates are required.

Changelog

• [ ] I thought about adding a changelog entry, and added one if I deemed necessary.

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