Systemd Service, dependency upgrades, and bug fixes.

DEB and RPM now include default Systemd service files. It also creates a new soft-serve user and tmpfiles for running Soft Serve.

Upgrade dependencies.

Fix Soft Serve bash dependency in packages and Docker image.

Changelog

New Features

• bdcc8fb: feat: package systemd unit (@caarlos0)
• 56bc308: feat: s/soft/soft-serve/; sysusers; tmpfiles (@caarlos0)

Bug fixes

• 0e3363c: fix(build): add bash to Dockerfile (@aymanbagabas)
• 2624e60: fix(nfpm): don't enable and start systemd service by default (@aymanbagabas)
• 12b410f: fix: format (@caarlos0)

Dependency updates

• 1e97e6e: feat(deps): bump github.com/prometheus/client_golang (@dependabot[bot])
• b9d6fbc: feat(deps): bump modernc.org/sqlite from 1.21.1 to 1.22.1 (@dependabot[bot])

Documentation updates

• 7dab80b: docs: update default server ports (@aymanbagabas)

Other work

• a69f77c: Update .nfpm/soft-serve.conf (@caarlos0)
• 942c50b: Update .nfpm/soft-serve.service (@caarlos0)