chore: migrate to JDK21 e2e

[FollowTheFlo]

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[github-actions]

🚨 PR Title Validation Failed 🚨

Your pull request title does not follow the required format. Please update it to match the expected pattern:

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• docs: Changes to documentation only
• feat: New feature work
• fix: Bug fixes
• perf: Code improvements for performance
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✅ feat: Add user authentication
✅ fix: Resolve checkout bug
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[cypress]

spartacus    Run #51525

Run Properties:   Failed #51525  •  9dc36d5006: switch to Azure VM spartacus-test.eastus

Project	spartacus
Branch Review	test-CXSPA-10619_2026_azure
Run status	Failed #51525
Run duration	37m 59s
Commit	9dc36d5006: switch to Azure VM spartacus-test.eastus
Committer	Florent Letendre
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---

Test results
Failures	1
Flaky	1
Pending	32
Skipped	0
Passing	678
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Tests for review

[github-actions]

🚨 PR Title Validation Failed 🚨

Your pull request title does not follow the required format. Please update it to match the expected pattern:

Expected format:
<type>: <subject>

Allowed Types

• docs: Changes to documentation only
• feat: New feature work
• fix: Bug fixes
• perf: Code improvements for performance
• refactor: Code changes that are not bug fixes or features
• style: Code style changes (e.g., whitespace, formatting)
• test: Adding or updating tests
• chore: Build, CI, scripts, configs, etc.

Example of a valid PR title

✅ feat: Add user authentication
✅ fix: Resolve checkout bug
✅ docs: Update API documentation

❌ Merge is blocked until the PR title is corrected.

[github-actions]

Merge Checks Failed

Please push a commit to re-trigger the build.
To push an empty commit you can use `git commit --allow-empty -m "Trigger Build"`

[github-actions]

Merge Checks Failed

Please push a commit to re-trigger the build.
To push an empty commit you can use `git commit --allow-empty -m "Trigger Build"`