www/grafana: Update 10.4.5 → 11.4.0

What's new:

• https://grafana.com/docs/grafana/next/whatsnew/whats-new-in-v11-4/
• https://grafana.com/docs/grafana/next/whatsnew/whats-new-in-v11-3/
• https://grafana.com/docs/grafana/next/whatsnew/whats-new-in-v11-2/
• https://grafana.com/docs/grafana/next/whatsnew/whats-new-in-v11-1/
• https://grafana.com/docs/grafana/next/whatsnew/whats-new-in-v11-0/

Changelogs:

• https://github.com/grafana/grafana/releases/tag/v11.4.0
• https://github.com/grafana/grafana/releases/tag/v11.3.0
• https://github.com/grafana/grafana/releases/tag/v11.2.0
• https://github.com/grafana/grafana/releases/tag/v11.1.0
• https://github.com/grafana/grafana/releases/tag/v11.0.0

While here split too long lines in Makefile.

PR: 281851