[Backport 2024.1] feature(monitoring): take screenshots with grafana image renderer

[mergify]

• switch to grafana image renderer
• drop all of webdriver related implementation
• remove grafana snapshots - it's not in use for quite some time

TODO:

• - remove selenium from hydra image

Testing

• provision tests
• test with ipv6: https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/longevity-10gb-3h-ipv6-test/8/

PR pre-checks (self review)

• I added the relevant backport labels
• I didn't leave commented-out/debugging code

Reminders

• Add New configuration option and document them (in sdcm/sct_config.py)
• Add unit tests to cover my changes (under unit-test/ folder)
• Update the Readme/doc folder relevant to this change (if needed)

(cherry picked from commit 955d14a)

(cherry picked from commit da5f0d4)

Parent PR: #7503

[mergify]

Cherry-pick of 955d14a has failed:

On branch mergify/bp/branch-2024.1/pr-7503
Your branch is up to date with 'origin/branch-2024.1'.

You are currently cherry-picking commit 955d14af.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   sdcm/cluster.py
	modified:   sdcm/logcollector.py
	modified:   sdcm/monitorstack/ui.py

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by them: sdcm/utils/remotewebbrowser.py

Cherry-pick of da5f0d4 has failed:

On branch mergify/bp/branch-2024.1/pr-7503
Your branch is ahead of 'origin/branch-2024.1' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit da5f0d43.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   requirements.in
	modified:   sdcm/utils/log.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   docker/env/version
	both modified:   requirements.txt

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[fruch]

@mergify rebase

[mergify]

rebase

✅ Branch has been successfully rebased