Error install openhab2

Hello again my friends of Openhab, today I have this, I can not install openhab2 by

sudo apt-get update && sudo apt-get install openhab2

I have a raspberry pi 4 can someone help me?

pi@raspberrypiDio:~ $ sudo apt-get update && sudo apt-get install openhab2
Hit:1 http://archive.raspberrypi.org/debian buster InRelease
Ign:2 http://repos.azulsystems.com/debian stable InRelease
Hit:3 http://repos.azulsystems.com/debian stable Release
Ign:4 https://dl.bintray.com/openhab/apt-repo2 stable InRelease
Get:6 https://dl.bintray.com/openhab/apt-repo2 stable Release [6,051 B]
Get:7 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB]
Ign:8 https://dl.bintray.com/openhab/apt-repo2 stable Release.gpg
Reading package lists... Done
E: The repository 'https://dl.bintray.com/openhab/apt-repo2 stable Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' changed its 'Suite' value from 'test                                                                                                                               ing' to 'stable'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpa                                                                                                                               ge for details.

Maybe below might work for you.Have a look.

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