fix: use || instead of | in peerDependencies

[chentsulin]

See this error when installing on Node 18

npm ERR! code ETARGET
npm ERR! notarget No matching version found for react-dom@^16.8.0 | ^17.0.0 | ^18.0.0.
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.

[changeset-bot]

🦋 Changeset detected

Latest commit: d359e15

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@graphiql/react	Patch
graphiql	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[thomasheyenbrock]

Omg what a stupid error 🙈 thanks for catching this and opening a PR to fix this straight away! ❤️ 👏

[codecov]

Codecov Report

Merging #2423 (d359e15) into main (2d91916) will increase coverage by 2.45%.
The diff coverage is 71.52%.

@@            Coverage Diff             @@
##             main    #2423      +/-   ##
==========================================
+ Coverage   65.70%   68.16%   +2.45%     
==========================================
  Files          85       75      -10     
  Lines        5106     4702     -404     
  Branches     1631     1547      -84     
==========================================
- Hits         3355     3205     -150     
+ Misses       1747     1493     -254     
  Partials        4        4              

Impacted Files	Coverage Δ
packages/codemirror-graphql/src/hint.ts	94.73% <ø> (ø)
packages/codemirror-graphql/src/lint.ts	100.00% <ø> (ø)
packages/codemirror-graphql/src/results/mode.ts	47.05% <ø> (ø)
...kages/codemirror-graphql/src/utils/forEachState.ts	100.00% <ø> (ø)
packages/codemirror-graphql/src/utils/hintList.ts	95.65% <ø> (ø)
...ckages/codemirror-graphql/src/utils/mode-indent.ts	0.00% <0.00%> (ø)
packages/codemirror-graphql/src/variables/hint.ts	89.70% <ø> (ø)
packages/codemirror-graphql/src/variables/mode.ts	79.48% <ø> (ø)
packages/graphiql-react/src/editor/whitespace.ts	100.00% <ø> (ø)
packages/graphiql-toolkit/src/storage/query.ts	36.73% <ø> (ø)
... and 91 more

---

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[thomasheyenbrock]

Just formatted this with prettier to fix linting errors