[ACM Obs bot] Bump stolostron/memcached_exporter to v0.15.5

[acm-observability-bot]

Description

This is an automated version bump from CI.
The logs for this run can be found in the syncbot repo actions.
If you wish to perform this manually, execute the following commands from stolostron/memcached_exporter repo:

git fetch https://github.com/prometheus/memcached_exporter --tags
if ! git merge refs/tags/v0.15.5 --no-edit; then
  git checkout --theirs CHANGELOG.md VERSION go.mod go.sum pkg cmd
  git checkout --ours OWNERS
  git add CHANGELOG.md VERSION go.mod go.sum pkg cmd OWNERS
  git merge --continue
fi
go mod tidy
go mod vendor

if [ -f scripts/rh-manifest.sh ]; then
  bash scripts/rh-manifest.sh
  git add rh-manifest.txt
  git diff --cached --exit-code || git commit -s -m "[bot] update rh-manifest.txt"
fi

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: acm-observability-bot[bot]
Once this PR has been reviewed and has the lgtm label, please assign subbarao-meduri for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-ci]

Hi @acm-observability-bot[bot]. Thanks for your PR.

I'm waiting for a stolostron member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Details

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.

[coleenquadros]

/ok-to-test