[release-4.22] OCPNETUI-147: Dependency cleanup

[rszwajko]

Migrate tests to Cypress v15

Dismiss toured guide banner on every login. Use pooling-based solution
matching the pattern used in networking-console-plugin.

Based on the fix for 4.19 branch #391

1. replace copy-webpack-plugin with webpack 5's built-in output.copy
2. bump major versions of test deps: cypress to v15 and mocha to v12
3. remove version overrides except needed for resolving shared modules
4. use self-reference syntax for version overrides that are linked to
   direct dependencies

CVE in js-yaml by updating to v3.15.2, v4.3.2, v5.4.2
CVE-2026-84375 https://redhat.atlassian.net/browse/OCPBUGS-115435

Reference-Url: #391
Reference-Url: https://redhat.atlassian.net/browse/OCPBUGS-73669
Assisted-by: Cursor:claude-opus-4.6

[openshift-merge-bot]

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[openshift-ci-robot]

@rszwajko: This pull request references OCPNETUI-147 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 "4.22.0" version, but no target version was set.

Details

In response to this:

Migrate tests to Cypress v15

Dismiss toured guide banner on every login. Use poolin-based solution
matching the pattern used in networking-console-plugin.

Based on the fix for 4.19 branch #391

1. replace copy-webpack-plugin with webpack 5's built-in output.copy
2. bump major versions of test deps: cypress to v15 and mocha to v12
3. remove version overrides except needed for resolving shared modules
4. use self-reference syntax for version overrides that are linked to
   direct dependencies

CVE in js-yaml by updating to v3.15.2, v4.3.2, v5.4.2
CVE-2026-84375 https://redhat.atlassian.net/browse/OCPBUGS-115435

Reference-Url: #391
Reference-Url: https://redhat.atlassian.net/browse/OCPBUGS-73669
Assisted-by: Cursor:claude-opus-4.6

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[rszwajko]

/test e2e-tests

[lkladnit]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lkladnit, rszwajko

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