Add components for supporting APM functions

[lahsivjar]

What does this PR do?

Adds the following component to support https://github.com/elastic/opentelemetry-dev/issues/372:

• lsmintervalprocessor
• elastictraceprocessor
• spanmetricsconnectorv2 - this component will be removed in favor of a new component soon
• countconnector

Why is it important?

Required for https://github.com/elastic/opentelemetry-dev/issues/372

Related issues

Closes https://github.com/elastic/opentelemetry-dev/issues/390

[mergify]

This pull request does not have a backport label. Could you fix it @lahsivjar? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-./d./d is the label to automatically backport to the 8./d branch. /d is the digit

[mergify]

backport-v8.x has been added to help with the transition to the new branch 8.x.
If you don't need it please use backport-skip label and remove the backport-8.x label.

[lahsivjar]

This is blocked by dependency upgrade PRs, there are some dependency issues with EA - some dependencies are on v0.109.0 whereas others at v0.110.0. Even the latest update PR doesn’t upgrade all of them.

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b add-new-components upstream/add-new-components
git merge upstream/main
git push upstream add-new-components