Fix/cloudflare r2 skip checksum

[sebbean]

Enables pass through for s3RequestChecksumCalculation S3Client option

  publishers: [
    {
      name: '@electron-forge/publisher-s3',
      config: {
        s3RequestChecksumCalculation: 'WHEN_REQUIRED', // cloudflare fix

Can be used to get around Cloudflare R2's lack of checksum support.

An unhandled rejection has occurred inside Forge:
NotImplemented: Header 'x-amz-checksum-algorithm' with value 'CRC32' not implemented
at throwDefaultError (/Users/seb/dev/Streem/slyce-studio-mono/node_modules/.pnpm/@smithy+smithy-client@4.1.2/node_modules/@smithy/smithy-client/dist-cjs/index.js:867:20)
    at /Users/seb/dev/Streem/slyce-studio-mono/node_modules/.pnpm/@smithy+smithy-client@4.1.2/node_modules/@smithy/smithy-client/dist-cjs/index.js:876:5
    at de_CommandError (/Users/seb/dev/Streem/slyce-studio-mono/node_modules/.pnpm/@aws-sdk+client-s3@3.731.1/node_modules/@aws-sdk/client-s3/dist-cjs/index.js:4965:14)

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