Dependency major version updates

[ryan-pratt]

Holding onto this as a draft for now

• node-version 22: ✅
• single-spa 6: ✅
• eslint 9: ✅
• yarn 4: ❌ won't do - updated for yarn 1.22.x from corepack instead

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.74%. Comparing base (48382e4) to head (fbbb86b).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1722      +/-   ##
==========================================
+ Coverage   76.71%   76.74%   +0.02%     
==========================================
  Files         530      530              
  Lines       42207    42207              
  Branches      270      270              
==========================================
+ Hits        32381    32391      +10     
+ Misses       9826     9816      -10     

Flag	Coverage Δ
frontend	3.49% <ø> (ø)
python	84.25% <ø> (+0.06%)	⬆️
ruby-api	48.64% <ø> (ø)
ruby-backend	82.53% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sonarqubecloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
61.1% Duplication on New Code

See analysis details on SonarQube Cloud