a) make sure to use the stable repo instead of testing. this would enable you to switch back to OH 3.4.2. In case the configuration files are already touched you may have a problem. Especially in case there is no backup.
or
b) Install Java17. Looks like Zulu 17 is not available via repo for armhf. I think it is possible to download it from Java 8, 11, 17, 21, 22 Download for Linux, Windows and macOS manually in a tar file and install it. I did not check.