OBSDOCS-2941: Release notes for Distributed Tracing 3.8.1

[max-cx]

Version(s): OCP 4.12-4.21

Issue: https://issues.redhat.com/browse/OBSDOCS-2941

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

[openshift-ci-robot]

@max-cx: This pull request references OBSDOCS-2941 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the task to target the "4.21.0" version, but no target version was set.

In response to this:

Version(s):

Issue:

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci-robot]

@max-cx: This pull request references OBSDOCS-2941 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the task to target the "4.21.0" version, but no target version was set.

In response to this:

Version(s): OCP 4.12-4.21

Issue: https://issues.redhat.com/browse/OBSDOCS-2941

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci]

@max-cx: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.