Should add the write permission to vault

[ChoOo7]

Because of E2ETestConfigService.cs

await keyVaultClient.SetSecretAsync($"https://{this.keyVaultName}.vault.azure.net", "ClearKeyStreamingKey", Convert.ToBase64String(this.clearKeyStreamingKey)).ConfigureAwait(false);

Purpose

• Prevent exception on test launch

Does this introduce a breaking change?

[ ] Yes
[ X ] No

Pull Request Type

What kind of change does this Pull Request introduce?

[X ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

[johndeu]

Thanks, I'll have the dev that wrote this sample review the PR