Document that maven-repository supports the replaces-base parameter

[yeikel]

Why:

This feature was added in dependabot/dependabot-core#5908

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.

As per #40756 (comment), I am considered a SME for these type of changes

• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

[github-actions]

How to review these changes 👓

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Table of review links

Note: Please update the URL for your staging server or codespace.

The table shows the files in the content directory that were changed in this pull request. This helps you review your changes on a staging server. Changes to the data directory are not included in this table.

Source	Review	Production	What Changed
code-security/dependabot/working-with-dependabot/configuring-access-to-private-registries-for-dependabot.md	fpt ghec ghes@ 3.193.183.173.163.153.14	fpt ghec ghes@ 3.193.183.173.163.153.14
code-security/dependabot/working-with-dependabot/guidance-for-the-configuration-of-private-registries-for-dependabot.md	fpt ghec ghes@ 3.193.183.173.163.153.14	fpt ghec ghes@ 3.193.183.173.163.153.14

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

🤖 This comment is automatically generated.

[yeikel]

I don't know why the check Test / article-api (pull_request) is failing but it seems unrelated to this change