Update Azure Storage client version to 5.0.0

[JamesBirdsall]

Stress run of Java EPH over the weekend was gloriously clean.

• [X ] I have read the contribution guidelines.
• [X ] Title of the pull request is clear and informative.
• [X ] There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR.
• [X ] The pull request does not introduce breaking changes (unless a major version change occurs in the assembly and module).
• [X ] If applicable, the public code is properly documented.
• [X ] Pull request includes test coverage for the included changes.
• [X ] The code builds without any errors.

[msftclas]

Hi @JamesBirdsall, I'm your friendly neighborhood Microsoft Pull Request Bot (You can call me MSBOT). Thanks for your contribution!

It looks like you're a Microsoft contributor (James Birdsall). If you're full-time, we DON'T require a Contribution License Agreement. If you are a vendor, please DO sign the electronic Contribution License Agreement. It will take 2 minutes and there's no faxing! https://cla.microsoft.com.

TTYL, MSBOT;