[wasm] Update steps to run the benchmarks against local runtime build · dotnet/performance@9358201

Lists should be surrounded by blank lines [Context: "1. Configure NuGet Feeds to In..."]

Fenced code blocks should be surrounded by blank lines [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

Lists should be surrounded by blank lines [Context: "2. Run the benchmark"]

Fenced code blocks should be surrounded by blank lines [Context: "```cmd"]

Heading levels should only increment by one level at a time [Expected: h3; Actual: h4]

Fenced code blocks should be surrounded by blank lines [Context: "``` yaml"]

Multiple top-level headings in the same document [Context: "# Development notes"]

Emphasis used instead of a heading [Context: "Folder / file structure"]

Process completed with exit code 1.

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3, actions/setup-node@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

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