Update keyring to fix collections.abc alias to support python3.10

[Anirudh9794]

Signed-off-by: Aniruddha Shamasundar aniruddha.9794@gmail.com

To help us process your pull request efficiently, please include:

• Updated keyring requirement
• This makes vcd-cli comply with python3.10

Testing done

• vcd login
• vcd cse commands
• vcd logout
• vcd cse ovdc list
• vcd role list-rights clusteradmin -o cseorg

@rocknes

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This change is