TF v2.6.1 requires grpcio >=v1.37.0

[Wrede]

Severity

• [ ] Critical/Blocker (select if the issue makes the application unusable or causes serious data loss)
• [ ] High (select if the issue affects a major feature and there is no workaround or the available workaround is very complex)
• [x] Medium (select if the issue affects a minor feature or affects a major feature but has an easy enough workaround to not cause any major inconvenience)
• [ ] Low (select if the issue doesn't significantly affect the user experience, like minor visual bugs)

Describe the bug If a client have TF v2.6.1 causes conflicts with grpcio in fedn which uses v 1.34.0

Environment:

• OS: [e.g. mac OS]
• Version: [e.g. macOS Catalina]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Reproduction Steps Steps to reproduce the behavior:

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2. Click on '....'
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4. See error

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