linux: Change directory to project root (#23)

In some Linux file managers, running the launcher launches it in the user's home
directory, not the project directory.

Change the working directory to the executable's parent directory.

Resolves #22

ci: Build linux binary against musl, not glibc (#20)

This should improve compatibility with older Linux distributions.

Fixes #19

Merge pull request #18 from inkandswitch/fix-pr

Fall back to latest release if we can't get the current release info

Fix build (#14)

* update untranslocator

* force install cargo-bundle

Signing (#12)

Signing (#12)

rust version (#5)

* rust version