v0.8.3

Added

• RHEL 9 / Rocky Linux 9 / AlmaLinux 9 .rpm package building with fpm (rpm/ directory)
• .github/workflows/rpm.yml CI for building .rpm packages on Rocky Linux 9 container
• workflow_dispatch trigger for both .deb and .rpm workflows (manual build testing without tag)
• uv installation instructions in README

Changed

• Logging: bare except: pass replaced with logger.debug in site runners for easier troubleshooting
• Logging: logger.error → logger.exception for Zabbix/Grafana/OTel send failures (includes stack trace)
• Logging: cramjam/opentelemetry import failures raised from warning to error
• Logging: dryrun buffer output lowered from info to debug
• deploy/speedtest-z.service generalized for reusable template
• deploy/speedtest-z.timer added RandomizedDelaySec=180
• grafana-dashboard.json line interpolation smooth, lineWidth 1, pointSize 3

Fixed

• ruff format violation in runner.py that caused CI failure in v0.8.2