[PM-17451] Add missing keys for ssh fields to web/en/messages.json

[djsmith85]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-17451

📔 Objective

Add missing keys to en/messages.json so they are displayed on the new SSH-key add/edit screen

📸 Screenshots

Before	After

⏰ 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 – 6561a25d-3f6a-48c6-85a2-0b9dc648639d

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.10%. Comparing base (4cbace9) to head (c4be910).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13047   +/-   ##
=======================================
  Coverage   35.10%   35.10%           
=======================================
  Files        3000     3000           
  Lines       91320    91320           
  Branches    17094    17094           
=======================================
  Hits        32062    32062           
  Misses      56754    56754           
  Partials     2504     2504           

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[quexten]

Thank you for the fix!