fix: specify the right path of metadata in bundle.Dockerfile

[varshaprasad96]

Description of the change:
Specify the right path of metadata in bundle.Dockerfile when output-dir is specified.

Motivation for the change:
closes #5021

Checklist

If the pull request includes user-facing changes, extra documentation is required:

• Add a new changelog fragment in changelog/fragments (see changelog/fragments/00-template.yaml)
• Add or update relevant sections of the docs website in website/content/en/docs

[estroz]

/lgtm

[varshaprasad96]

/cherry-pick v1.9.x

[openshift-cherrypick-robot]

@varshaprasad96: new pull request created: #5035

In response to this:

/cherry-pick v1.9.x

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/test-infra repository.

[varshaprasad96]

/cherry-pick v1.8.x

[openshift-cherrypick-robot]

@varshaprasad96: #5030 failed to apply on top of branch "v1.8.x":

Applying: fix: specify the right path of metadata in bundle.Dockerfile
Using index info to reconstruct a base tree...
M	internal/util/bundleutil/bundleutil.go
Falling back to patching base and 3-way merge...
Auto-merging internal/util/bundleutil/bundleutil.go
CONFLICT (content): Merge conflict in internal/util/bundleutil/bundleutil.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 fix: specify the right path of metadata in bundle.Dockerfile
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick v1.8.x

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/test-infra repository.

[varshaprasad96]

/cherry-pick v1.8.x

[openshift-cherrypick-robot]

@varshaprasad96: new pull request created: #5037

In response to this:

/cherry-pick v1.8.x

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/test-infra repository.