chore: align Node 22 pin and Corepack CI with current vis.gl projects

[chrisgervang]

Align local development and CI on Node 22.22.1 via .nvmrc, replacing the original Node 20 proposal after comparison with current loaders.gl, luma.gl, and deck.gl.

• Merge current master, preserving its pinned Yarn 4.18.0, Corepack activation, immutable installs, Berry cache, and current tooling engine requirements.
• Match luma.gl's Node 22.22.1 pin (loaders.gl and deck.gl currently pin 22.22.0). Both test and release workflows read .nvmrc.
• Remove the single-version test matrix and update checkout, setup-node, and Coveralls to pinned versions used by deck.gl. Keep automatic package-manager caching disabled so Corepack activates Yarn before the existing explicit Berry cache step.
• Raise the Docusaurus website package's Node minimum from 18 to 20, consistent with its Docusaurus 3 dependency. Preserve master's stricter Node requirements for dev-tools and ts-plugins.
• Use the current Coveralls file input for the generated LCOV report.

Comparison sources:

• https://github.com/visgl/loaders.gl/blob/master/.nvmrc and package.json (Node 22.22.0 / Yarn 4.17.1)
• https://github.com/visgl/luma.gl/blob/master/.nvmrc and package.json (Node 22.22.1 / Yarn 4.13.0)
• https://github.com/visgl/deck.gl/blob/master/.github/workflows/test.yml and package.json (Node 22.22.0 / Yarn 1.22.19)

Validation on Node 22.22.1 and Yarn 4.18.0:

• yarn install --immutable
• yarn bootstrap (including package builds)
• yarn lint
• yarn cover: 9 files / 22 tests passed
• yarn test-headless: 1 file / 2 tests passed
• git diff --check

Existing peer-dependency and build/Vitest warnings remain; all listed checks passed.

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, have a team admin enable autofix in the Cursor dashboard.}

[cursor]

Corepack must be enabled before setup-node caching

High Severity

The corepack enable yarn step runs after actions/setup-node@v4 with cache: 'yarn', but setup-node needs yarn to be available at its execution time to resolve the cache directory. Since package.json now declares "packageManager": "yarn@1.22.19", the setup-node action expects corepack to already be enabled to locate the correct yarn binary for caching. This ordering will cause the CI workflow to fail. The corepack enable step needs to be placed before the setup-node step.

Additional Locations (1)

• .github/workflows/test.yml#L16-L21

 

[coveralls]

Coverage Report for CI Build 37129388636

Coverage remained the same at 60.222%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	648
Covered Lines:	380
Line Coverage:	58.64%
Relevant Branches:	521
Covered Branches:	324
Branch Coverage:	62.19%
Branches in Coverage %:	Yes
Coverage Strength:	5.52 hits per line

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💛 - Coveralls