Update Power BI Report Server release details

[vcarazo]

Updated the release information for Power BI Report Server to reflect the latest build number, version, and release date.

[prmerger-automator]

@vcarazo : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit a039cc8:

✅ Validation status: passed

File	Status	Preview URL	Details
powerbi-docs/report-server/download-powerbi-report-server.md	✅Succeeded

For more details, please refer to the build report.

[v-dirichards]

@Petebro-MSFT

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[Copilot]

Pull request overview

This PR updates the Power BI Report Server release information with the latest build number, version, and release date. However, the update is incomplete as it changes the release date to December 2025 while retaining references to September 2025 in the release name and descriptive text.

Key Changes:

• Updated build number from 15.0.1119.107 to 15.0.1119.121
• Updated version from 1.24.9392.34333 to 1.24.9466.3830
• Updated release date from September 22, 2025 to December 1, 2025

[Copilot]

The release name "Power BI Report Server (September 2025)" is inconsistent with the updated release date "December 1, 2025". The release name should be updated to "Power BI Report Server (December 2025)" to match the new release date.

Suggested change

	- Release name: Power BI Report Server (September 2025)
	- Release name: Power BI Report Server (December 2025)

[Copilot]

The statement "PBIRS September 2025 is the latest generally available (GA) version" is inconsistent with the updated release date of December 1, 2025. This should be updated to "PBIRS December 2025 is the latest generally available (GA) version" to match the new release information.

Suggested change

	PBIRS September 2025 is the latest generally available (GA) version.
	- Release name: Power BI Report Server (September 2025)
	PBIRS December 2025 is the latest generally available (GA) version.
	- Release name: Power BI Report Server (December 2025)

[Petebro-MSFT]

The version should be updated, but the name should not it is still branded as the September release. I have a PR to resolve the date and version mismatch with the latest release.

[Petebro-MSFT]

Version: 1.24.9466.3830

• Release date: December 1, 2025

should be changed but the version should not.