Update Blazor changelog and package version details 26.1.98 (#484)

[dkamburov]

• Update Blazor changelog and package version details for June and August 2026

• Update changelog version from 25-2-MAY to 26-1-JUNE

• fix(lint): resolve lint error

• docs(blazor): remove duplicated section

Closes #

Checklist:

• check topic's TOC/menu and paragraph headings
• Include TOC topic labels in the topic content when it has a valuable update, is new, or is considered preview / beta
• link to other topics using ./page.mdx or ../relative/path.mdx (.mdx extension required)
• at the References section at the end of the topic add links to topics, samples, etc
• reference API documentation instead of adding a section with API

• use valid component names - [Data] Grid, IgxSelectComponent, <igx-combo>
• use spell checker tool (VS Code, Grammarly, Microsoft Editor)
• add inline code blocks for the names of classes / tags / properties
• add language descriptor for the code blocks
• check if links function by running the check-api/mdx npm commands
• check if sample is working and fully visible in the topic
• check if sample is working and fully visible in the StackBlitz
• check if code blocks match the code in StackBlitz demo
• add or update meaningful llms.description metadata and run npm run check:llms-metadata

• follow SEO guidelines to fill topic's metadata (SEO guidelines)

• do not resolve requested changes (leave that to the reviewer)

[Copilot]

Pull request overview

Updates the Ignite UI for Blazor “Data Visualization” general changelog to reflect the latest (August 2026) release details while preserving the June 2026 section as a versioned entry. This aligns the displayed “latest” version token with the newest release and introduces a dedicated token for the June 2026 version.

Changes:

• Added August 2026 release notes (enhancements + bug fixes) under {PackageVerLatest} in the Blazor DV changelog page.
• Introduced {PackageVerChanges-26-1-JUNE} and updated {PackageVerLatest} / {PackageVerLatestShort} values in docConfig.json to distinguish June vs August 2026 versions.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
docs/xplat/src/content/en/components/general-changelog-dv-blazor.mdx	Adds August 2026 changelog content and re-labels the June 2026 section via a new version token.
docs/xplat/docConfig.json	Adds {PackageVerChanges-26-1-JUNE} and updates latest version tokens to 26.1.98 (August 2026).

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