[BUG] Doc: update server URL port to 443

[bk201]

Describe the bug

Since #1830, server_url must be https://VIP:443.
We need to revise the server URL port from 8443 to 443 in the docs. Especially for PXE page and the configuration page.

• https://docs.harvesterhci.io/v1.0/install/pxe-boot-install/
• https://docs.harvesterhci.io/v1.0/install/harvester-configuration/

[harvesterhci-io-github-bot]

Pre Ready-For-Testing Checklist

• If labeled: require/HEP Has the Harvester Enhancement Proposal PR submitted?
  The HEP PR is at:

• Where is the reproduce steps/test steps documented?
  The reproduce steps/test steps are at:

• Is there a workaround for the issue? If so, where is it documented?
  The workaround is at:

• Have the backend code been merged (harvester, harvester-installer, etc) (including backport-needed/*)?
  The PR is at:

  • Does the PR include the explanation for the fix or the feature?

  • Does the PR include deployment change (YAML/Chart)? If so, where are the PRs for both YAML file and Chart?
    The PR for the YAML change is at:
    The PR for the chart change is at:

• If labeled: area/ui Has the UI issue filed or ready to be merged?
  The UI issue/PR is at:

• If labeled: require/doc, require/knowledge-base Has the necessary document PR submitted or merged?
  The documentation/KB PR is at:

• If NOT labeled: not-require/test-plan Has the e2e test plan been merged? Have QAs agreed on the automation test case? If only test case skeleton w/o implementation, have you created an implementation issue?

  • The automation skeleton PR is at:
  • The automation test case PR is at:

• If the fix introduces the code for backward compatibility Has a separate issue been filed with the label release/obsolete-compatibility?
  The compatibility issue is filed at:

[harvesterhci-io-github-bot]

Automation e2e test issue: harvester/tests#397

[bk201]

Verified the new doc is published.