Update stable version in repo from 8.8.3 to 8.9.1

[GermanBluefox]

Think about update stable version to 8.9.1

Version: stable=8.8.3 (173 days old) => latest=8.9.1 (30 days old)
Installs: stable=33180 (61.46%), latest=2335 (4.33%), total=53983

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Do not close this issue manually as a new issue will be created if condition for update still exists.

Please drop a comment if any reason exists which blocks updating to version 8.9.1 at this time.

Note: This is an automatically generated message and not personally authored by bluefox!
@mcm1957 for evidence