language support for `@oneOf`

[acao]

Resolves #3678

Requires reverting https://github.com/graphql/graphiql/pull/3682

• [x] switch devDependecies to use [email protected] for full @oneOf support
• [ ] diagnostics support - I can't seem to get the rule to work :( - caused by #3682
• [ ] autocompletion support - works in unit tests, but not yet in graphiql because of #3682
• [ ] hover support
• [x] fix all unit tests failures caused by adding a new input type to the test schema

[changeset-bot[bot]]

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Latest commit: b65cda9871e69d1dc0f1c580675f1cc14a752fff

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 65.40%. Comparing base (484a9ad) to head (b65cda9). Report is 135 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3769      +/-   ##
==========================================
+ Coverage   65.32%   65.40%   +0.07%     
==========================================
  Files         122      122              
  Lines        7003     7019      +16     
  Branches     2260     2247      -13     
==========================================
+ Hits         4575     4591      +16     
  Misses       2411     2411              
  Partials       17       17              

Files with missing lines	Coverage Δ
packages/graphiql-react/src/schema.tsx	82.69% <ø> (ø)
packages/graphiql/test/schema.js	42.66% <100.00%> (+4.09%)	:arrow_up:
...ervice/src/interface/getAutocompleteSuggestions.ts	86.12% <100.00%> (+0.29%)	:arrow_up:
...graphql-language-service/src/parser/getTypeInfo.ts	83.78% <100.00%> (+0.33%)	:arrow_up:

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[ruudk]

Thanks for working on this. Since the last push was 10 months ago, would it make sense to rebase this against latest changes? Also, the RFC is accepted, see comment