Fix spacing for cURL code samples

[WhiteFruit]

Why:

The cURL code samples in the API docs are missing a space before the escape character on the authorization header line. This can cause confusion if you copy/paste the code snippet and get an unexpected error.

Closes issue #26708.

What's being changed (if available, include any code snippets, screenshots, or gifs):

The authorization header line in the cURL code samples will now have a space before the backslash escape character at the end of the line:
-H "Authorization: Bearer <YOUR-TOKEN>"\ --> -H "Authorization: Bearer <YOUR-TOKEN>" \

This allows users to copy/paste the command without errors.

Screenshots

Before:

After:

Alternate Solution

Alternatively, you could split the args on line 91, and let ${args.join(' \\\n ')} on line 96 join them with the proper spacing, escape characters, and newlines. I've created a branch with those changes if that is the preferred direction.

  if (operation.subcategory === 'management-console' || operation.subcategory === 'manage-ghes') {
    authHeader = '-u "api_key:your-password"'
    apiVersionHeader = ''
  } else {
    authHeader = '-H "Authorization: Bearer <YOUR-TOKEN>"'

    apiVersionHeader =
      allVersions[currentVersion].apiVersions.length > 0 &&
      allVersions[currentVersion].latestApiVersion
        ? `-H "X-GitHub-Api-Version: ${allVersions[currentVersion].latestApiVersion}"`
        : ''
  }

  const args = [
    operation.verb !== 'get' && `-X ${operation.verb.toUpperCase()}`,
    `-H "Accept: ${defaultAcceptHeader}"`,
    authHeader,
    apiVersionHeader,
    contentTypeHeader,
    `${operation.serverUrl}${requestPath}`,
    requestBodyParams,
  ].filter(Boolean)
  return `curl -L \\\n  ${args.join(' \\\n  ')}`
}

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• I have reviewed my changes in staging, available via the View deployment link in this PR's timeline.

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• For content changes, I have completed the self-review checklist.

[welcome]

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[github-actions]

👋 Hey there spelunker. It looks like you've modified some files that we can't accept as contributions. The complete list of files we can't accept are:
.devcontainer/**
.github/actions-scripts/**
.github/workflows/**
.github/CODEOWNERS
assets/fonts/**
data/graphql/**
Dockerfile*
src/**
lib/redirects/**
package*.json
scripts/**
content/actions/deployment/security-hardening-your-deployments/**

You'll need to revert all of the files you changed in that list using GitHub Desktop or git checkout origin/main <file name>. Once you get those files reverted, we can continue with the review process.

[github-actions]

👋 Hey there spelunker. It looks like you've modified some files that we can't accept as contributions. The complete list of files we can't accept are:
.devcontainer/**
.github/actions-scripts/**
.github/workflows/**
.github/CODEOWNERS
assets/fonts/**
data/graphql/**
Dockerfile*
src/**
lib/redirects/**
package*.json
scripts/**
content/actions/deployment/security-hardening-your-deployments/**

You'll need to revert all of the files you changed in that list using GitHub Desktop or git checkout origin/main <file name>. Once you get those files reverted, we can continue with the review process.

[cmwilson21]

@WhiteFruit Thanks for opening a PR! Unfortunately, we can't accept changes to these files in this repo. I'm going to go ahead and close this PR 💛

See the comment here for more info.