docs(plugins-and-skills): drop version literal from opening sentence

[glody]

Summary

docs/agents/plugins.mdx opens with:

NeMo Platform 0.3.0 is extended through Python plugins and coding-agent skills.

Under 0.4.0 the published page still reads "0.3.0". The version literal has drifted against every release since 0.3.0 and the nightly docs-review agent flags it as a version-claim mismatch on every build.

Drop the version literal. The sentence is release-agnostic and stays correct across future releases, eliminating this class of drift entirely.

Diff

-NeMo Platform 0.3.0 is extended through Python plugins and
+NeMo Platform is extended through Python plugins and
 coding-agent skills. Plugins add runtime capabilities to the local platform.

Test plan

• Nightly docs-review no longer flags doc_claims_match_target: documentation/agents/plugins-and-skills.
• Reads cleanly for both current and future releases.

Summary by CodeRabbit

• Documentation
  • Updated the NeMo Platform extensions documentation to remove an outdated hard-coded version reference.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: 85a9f4c0-4e0b-4f22-8d31-d2452499a9d2

📥 Commits

Reviewing files that changed from the base of the PR and between 2fea8a1 and 2dc0682.

📒 Files selected for processing (1)

• docs/agents/plugins.mdx

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📝 Walkthrough

Walkthrough

Changes

Documentation update

Layer / File(s)	Summary
Remove hard-coded version reference docs/agents/plugins.mdx	The introduction no longer specifies NeMo Platform version 0.3.0.

Suggested reviewers: a2bondar

Merge Risk: ⚪ Minimal · up to 2dc06

This localized documentation change removes a release-specific version reference without altering product behavior, so no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the removal of the hardcoded version from the plugins documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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_{Comment @coderabbitai help to get the list of available commands.}

[mckornfield]

@glody please remake this from the NVIDIA-NeMo fork so CI will run

[glody]

Recreated on the canonical repo so CI secrets work: #1514