[8.14](backport #4689) Replacing memory limiter processor with extension

[mergify]

Replaces processor with extensions in order to avoid dropping events when processor hits the limits. Extension puts back-pressure on receivers

Fixes: #4665

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This is an automatic backport of pull request #4689 done by Mergify.

[mergify]

Cherry-pick of 13a4157 has failed:

On branch mergify/bp/8.14/pr-4689
Your branch is up to date with 'origin/8.14'.

You are currently cherry-picking commit 13a4157d11.
  (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:   internal/pkg/otel/components.go
	modified:   otel.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   NOTICE.txt
	both modified:   go.mod
	both modified:   go.sum
	both modified:   internal/pkg/otel/README.md

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

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube