* Upgrade actions to latest versions
* Upgrade Maven to 3.8.6
* Use Temurin JDK instead of Zulu JDK
The Temurin JDK is preinstalled in the [Ubuntu image](https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md#java) whereas the Zulu JDK first need to be downloaded.
It should also perform better because the Temurin JDK is linked to glibc 2.12 whereas the Zulu JDK is linked to glibc 2.5.
Also adds missing wildcards to the .gitattributes file.
Signed-off-by: Wouter Born <github@maindrain.net>
Without this configuration there are Spotless issues with line endings on Windows.
See: openhab/openhab-addons#8712
Signed-off-by: Wouter Born <github@maindrain.net>
Wouter Born