Release v2.2.0

What's Changed

• DT-5796 Redis client error handler by @sharhio in #390
• DT-5796 Occasional slowness/timeouts fixed (stopmonitor pools) by @sharhio in #368
• DT-6025 Error logging improved by @sharhio in #399
• DT-6016 HSL site-header alerts fixed by @sharhio in #400
• DT-6031 Monitor blanking fixed (query error setting) by @sharhio in #401
• DT-5837: Verify data by @Antiik91 in #403
• Login configured for Waltti (except Tampere) by @sharhio in #405

Full Changelog: v2.1.10...v2.2.0