[groovy] linux-gcp 5.4.0-1021.21+20.10.1 uploaded (ABI bump)

[kernel-team-bot at canonical.com]

A new groovy kernel has been uploaded into proposed. Note the ABI bump. 
The full changelog about all bug fixes contained in this upload can be found at:

https://launchpad.net/ubuntu/groovy/+source/linux-gcp/5.4.0-1021.21+20.10.1

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