feat(urllib3)!: refactor request hook parameters

[eigenein]

Description

Currently, in the urllib3 instrumentation, there is no way for a request hook to inspect HTTP method and URL. This change implements forwarding the new parameters to request hooks.

Additionally, the documentation has been updated: both to represent the changes from this PR, and to fix the incorrect hook signatures.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

The unit tests have been updated to verify moving the existing body parameter and the newly added parameters.

Does This PR Require a Core Repo Change?

• Yes.
• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated

[eigenein]

There are failed checks in aiopg integration that I haven't touched. Something's wrong with its test-requirements.txt:

ERROR: Could not find a version that satisfies the requirement install==1.3.5 (from versions: none)
ERROR: No matching distribution found for install==1.3.5

Perhaps, it should be pip-install==1.3.5?

[emdneto]

There are failed checks in aiopg integration that I haven't touched. Something's wrong with its test-requirements.txt:

ERROR: Could not find a version that satisfies the requirement install==1.3.5 (from versions: none)
ERROR: No matching distribution found for install==1.3.5

Perhaps, it should be pip-install==1.3.5?

Fix for this is here See #2712

[eigenein]

@lzchen Done and rebased, ready for review

I decided to keep the pool parameter because of this note:

headers (Mapping[str, str] | None) – Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers.

So, the hook may still want to access pool.headers

[eigenein]

Alright, I'm keeping the docs "as is". Adjusted the changelog and rebased. Ready for merge