chore: bump Go to 1.17

chore: update to streamdeck v0.3.0

Add separate sets of hard- and soft-enforced linters

Bump toml, findfont, streamdeck deps

Bump streamdeck dependency

Show warning when connection to X server failed

Explicitly omit unwanted errors

Switch to log package and be less verbose

Update install instructions

Add .envrc to .gitignore