Update Plugin binary releases to match Packer

The goreleaser binary release matrix has been updated to match the binaries platforms distributed by Packer core. A complete list of supported binaries can be found at https://releases.hashicorp.com/packer/1.8.3

darwin/amd64
darwin/arm64
freebsd/386
freebsd/amd64
freebsd/arm
linux/386
linux/amd64
linux/arm
linux/arm64
netbsd/386
netbsd/amd64
netbsd/arm
openbsd/386
openbsd/amd64
openbsd/arm
windows/386
windows/amd64
solaris/amd64

hetznercloud / packer-plugin-hcloud

Update Plugin binary releases to match Packer #50