Remove hub requirement from pull-requests documentation

[Copilot]

Remove "hub" requirement from documentation

Changes Completed

• Remove "hub" requirement and references from pull-requests.md
  • Remove hub from installation requirements
  • Replace hub clone with git clone command
  • Replace hub fork references with manual git instructions
  • Add optional mention of gh CLI as a helper tool
• Add links to GitHub documentation for forking and adding remotes

Summary

All references to the hub tool have been removed. The documentation now:

1. Uses only Composer as a required tool
2. Uses standard git clone commands
3. Provides manual instructions for forking via GitHub UI with links to official GitHub documentation
4. Links to GitHub docs on managing remote repositories
5. Mentions gh CLI as an optional helper

The changes make the documentation more accessible by using standard git commands while providing helpful links to GitHub's official documentation for tasks like forking and managing remotes.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Remove "hub" requirement</issue_title>
<issue_description>## Feature Request

• Yes, I reviewed the contribution guidelines.

Currently, https://make.wordpress.org/cli/handbook/contributions/pull-requests/ indicates hub is a required tool

Install Composer and hub if you don’t already have them.

and some commands are hub specific, e.g.

hub clone wp-cli/core-command

Proposed Solution

Modify the language and example commands to use git commands directly, rather than hub.

Optionally, call out hub as a useful tool that can be used.

Possible Drawbacks

1. Commands will be slightly more verbose.
2. Will we need to differentiate between a HTTPS or SSH clone?
   • Note: in Working on the project as a whole we already have code that is SSH specific

   git clone [email protected]:wp-cli/wp-cli.git ~/wp-cli
   ```</issue_description>
   
   

<agent_instructions>Mention the gh CLI tool as an optional helper. It's not mandatory. Don't mention hub.</agent_instructions>

Comments on the Issue (you are @copilot in this section)

@danielbachhuber @salcode Did you want to submit a PR for this?

• Fixes Remove "hub" requirement #461

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[wojsmol]

@swissspidy We need describe it in more details or link to GitHub documentation

[swissspidy]

@copilot add such a link please

[swissspidy]

@copilot For some of the parts of the documentation, such as forking a repository, link to relevant GitHub documentation.

[Copilot]

@copilot For some of the parts of the documentation, such as forking a repository, link to relevant GitHub documentation.

Added links to GitHub documentation for forking repositories and managing remotes in commit 3122596.