[8.x](backport #6384) Update OTel v0.116.0

[mergify]

What does this PR do?

Update OTel components to v0.116.0.

Why is it important?

We should be keeping the components up to date with upstream.

Checklist

• My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [ ] I have made corresponding change to the default configuration files
• [ ] I have added tests that prove my fix is effective or that my feature works
• I have added an entry in ./changelog/fragments using the changelog tool
• [ ] I have added an integration test or an E2E test

How to test this PR locally

go build .
sudo ./elastic-agent otel
```<hr>This is an automatic backport of pull request #6384 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of b1fa909 has failed:

On branch mergify/bp/8.x/pr-6384
Your branch is up to date with 'origin/8.x'.

You are currently cherry-picking commit b1fa909d3.
  (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:   NOTICE.txt
	new file:   changelog/fragments/1734525166-update-otel-v0.116.0.yaml
	modified:   internal/pkg/otel/README.md

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   go.mod
	both modified:   go.sum

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
No data about Coverage
No data about Duplication

See analysis details on SonarQube