3.2.0: Cluster overview for Grafana 11

Grafana revisions

• Tarantool 3:
  • Prometheus revision 5,
  • InfluxDB revision 5;
• Tarantool Cartridge and 1.10—2.x:
  • Prometheus revision 21,
  • InfluxDB revision 21;
• Tarantool Data Grid 2:
  • Prometheus revision 10,
  • InfluxDB revision 10.

Changed

• Use Grafana 11 color scheme for Prometheus cluster overview panel (#234)
• Drop Grafana 8 support (#234)
• Bump recommended requirements to Grafana 11 (#234)

Fixed

• Prometheus cluster overview panel not works for Grafana 11+ (#234)