[Backport 2023.1] feature(monitoring): set the scylla monitoring image to 4.8.0

[mergify]

Set the monitoring image to version 4.8.0

Testing

• aws provision test
• gce provision test
• check monitor can be retrieved
• check screenshots working
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/longevity-10gb-3h-ipv6-test/14/

(cherry picked from commit aa8930a )

(cherry picked from commit 47b43b9 )

(cherry picked from commit 0b7842d )

(cherry picked from commit 1215819 )

(cherry picked from commit 9282de2 )

Parent PR: #8005

[mergify]

Cherry-pick of aa8930a has failed:

On branch mergify/bp/branch-2023.1/pr-8005
Your branch is up to date with 'origin/branch-2023.1'.

You are currently cherry-picking commit aa8930a45.
  (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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   defaults/aws_config.yaml

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of 47b43b9 has failed:

On branch mergify/bp/branch-2023.1/pr-8005
Your branch is ahead of 'origin/branch-2023.1' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit 47b43b911.
  (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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   defaults/gce_config.yaml

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of 0b7842d has failed:

On branch mergify/bp/branch-2023.1/pr-8005
Your branch is ahead of 'origin/branch-2023.1' by 2 commits.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit 0b7842da3.
  (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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   defaults/test_default.yaml

no changes added to commit (use "git add" and/or "git commit -a")

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