Update dockerfile to exclude all arch binaries

[samanthajayasinghe]

What type of PR is this?

bug

What this PR does / Why we need it?

This PR will fix the failed build ci/prow/images :
https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_backplane-cli/386/pull-ci-openshift-backplane-cli-main-images/1775807436830019584

Which Jira/Github issue(s) does this PR fix?

https://issues.redhat.com/browse/OSD-22036

Pre-checks (if applicable)

• Ran unit tests locally
• Validated the changes in a cluster
• Included documentation changes with PR

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.74%. Comparing base (569cea2) to head (d3d3715).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #387      +/-   ##
==========================================
- Coverage   48.19%   45.74%   -2.46%     
==========================================
  Files          56       62       +6     
  Lines        4293     5122     +829     
==========================================
+ Hits         2069     2343     +274     
- Misses       1901     2447     +546     
- Partials      323      332       +9     

see 6 files with indirect coverage changes

[openshift-ci]

@samanthajayasinghe: all tests passed!

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[mjlshen]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mjlshen, samanthajayasinghe

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