Onionprobe release 1.4.0

[rhatto]

Greetings,

We just released Onionprobe 1.4.0, a tool for testing and
monitoring the status of Onion Services.

ChangeLog

Features

• Prometheus alerting improvements (tpo/onion-services/onionprobe#102):

  • Tests for Prometheus alerting rules.
  • New alert “Onionprobe not responding”, detecting issues with the
    Onionprobe operation itself.

• Documentation:

  • Troubleshooting page.
  • Development: new section about Prometheus alerts
    development and testing.

• Test Onionprobe on CI (tpo/onion-services/onionprobe!107,
  tpo/onion-services/onionprobe!108).

• Upgraded Grafana image to 11.6.0.

Fixes

• Filter out SocketClosed log messages from Stem (tpo/onion-services/onionprobe!111).

• Handle ssl.match_hostname() deprecation (tpo/onion-services/onionprobe#107).

• Fix CryptographyDeprecationWarning on TLS certificate handling
  (tpo/onion-services/onionprobe#92).