Fix openjdk detection on different architectures

The pattern in Debian is:

java-$VERSION-openjdk-$DEB_HOST_ARCH

The regex for $DEB_HOST_ARCH did not match arm64, armel and armhf. As it
can be any string just match anything.
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f