v1.8.0

Added:
- IPv6 support for SSDP
- Samsung TV fast-forward/rewind support (#169)
- CHANGELOG and FAQ documents
- Justfile with run and browse-root recipes

Changed:
- Content directory served through the fs.FS interface (#167)
- Logging migrated from anacrolix/log to log/slog
- HTTP listener uses net.ParseIP to select tcp4/tcp6
- Subtitle ProtocolInfo MIME type text/plain -> text/srt (#183)
- Minimum Go version bumped to 1.25 (#177)
- Docker native multi-platform builds with CGO (#168, #177)

Fixed:
- Absolute path given to ffmpeg when transcoding (#184)
- allowedIps config file parsing (#178)
- :: in -http argument produces an IPv6 socket (#171)
- goreleaser release workflow (#166)

fix: time.After leaks memory

It's a relatively common footgun in Go that `time.After` causes the
object and the goroutine to leak.
On my system that leads to reproducible OOM situations, to the point I
had to disable the service because it exhausts memory in a matter of a
few minutes.

Fix concurrent map read/write race condition

Update deps

I hate doing this, but anacrolix/ffprobe has some nice fixes.

Remove public version const

Inspired by #120 (comment).

Merge pull request #97 from pataquets/add-docker-publish-image-action

Add Docker image publish Github action

Use go 1.16 in CI

goimports -w .