removed cypress ui tests, removed npm and use yarn for zenko tests, updated e2e zenko tests dockerfile

[SylvainSenechal]

Issue: ZENKO-5200

[bert-e]

Hello sylvainsenechal,

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[SylvainSenechal]

yarn and npm were co existing, I removed npm, but running yarn install triggered some versioning issues with dependencies unavailable in Node 18. Ended up updating this dockerfile, node 22 isn't really the latest version, but it's the one we use with ctst, anyways this dockerfile should hopefully be removed in the future

[maeldonn]

LGTM, it would be good to split into two commits (one for cypress and another one for yarn)

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• 2 peers

[SylvainSenechal]

/approve

[bert-e]

In the queue

The changeset has received all authorizations and has been added to the
relevant queue(s). The queue(s) will be merged in the target development
branch(es) as soon as builds have passed.

The changeset will be merged in:

• ✔️ development/2.14

The following branches will NOT be impacted:

• development/2.10
• development/2.11
• development/2.12
• development/2.13
• development/2.5
• development/2.6
• development/2.7
• development/2.8
• development/2.9

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The following options are set: approve

[bert-e]

I have successfully merged the changeset of this pull request
into targetted development branches:

• ✔️ development/2.14

The following branches have NOT changed:

• development/2.10
• development/2.11
• development/2.12
• development/2.13
• development/2.5
• development/2.6
• development/2.7
• development/2.8
• development/2.9

Please check the status of the associated issue ZENKO-5200.

Goodbye sylvainsenechal.