[PM-25573] Update CI to xcode 26.0

[vvolkgang]

🎟️ Tracking

PM-25573

📔 Objective

Updating our CI to use Xcode 26. Temporarily disabling snapshot tests while keeping the rest of the test suit functional, they'll be re-enabled after snapshots are updated in a future PR.

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 9a96099e-8336-43a9-a9b1-920476b24ab1

Great job! No new security vulnerabilities introduced in this pull request

[KatherineInCode]

I do think if we're going to be updating snapshots already, for iOS 26, we should update the device we're using for them to an iPhone 17 Pro. Or are we thinking we'll turn snapshots off for now, make the update to the workflows, and then at a later point deal with turning them all back on?

[vvolkgang]

I do think if we're going to be updating snapshots already, for iOS 26, we should update the device we're using for them to an iPhone 17 Pro. Or are we thinking we'll turn snapshots off for now, make the update to the workflows, and then at a later point deal with turning them all back on?

@KatherineInCode They'll need to be updated in a future PR yes, disabling tests snapshot tests fornow. Nonetheless went ahead and updated the device simulator name to that!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.06%. Comparing base (3bd2f8e) to head (3de7315).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1943       +/-   ##
===========================================
- Coverage   88.67%   70.06%   -18.62%     
===========================================
  Files         822     1015      +193     
  Lines       51782    61628     +9846     
===========================================
- Hits        45920    43180     -2740     
- Misses       5862    18448    +12586     

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